/BBox [-1 -2 80 20] 44 0 obj /V (RP 10B-6, Determining the Static Gel Strength of Cement Formulations) /6X7A8BA6GDX0Td52 12 0 R • There is no single fit-for-purpose design, well construction, or barrier verification process that is right for all wells . >> /6w7N8NAiGqXHTT5b >> /AP /Rect [506.703 107.537 577.774 125.023] /BBox [-1 -2 90 20] >> >> >> >> >> TECHNICAL DATA SHEET OIL WELL CEMENT CLASS G HIGH SULFATE RESISTANT Calcium sulfate setting regulator Clinker 100% … Oil Well Cement Ask Price. 75 0 obj /P 240 0 R !Y\�!\�\ �-D 74 0 obj >> /Type /Annot /BaseFont /Helvetica << << /FT /Tx /Rect [505.726 251.785 576.798 269.271] �@D���)�Y��v�V��;E���#�Ã�`T��p�RY�ծ��c���7��/�m6����وm`s��4ƀ$���,Zt7�<3Xٚ��>p�8�{ << /Type /Annot >> /Subtype /Widget /F 4 )�l /Rect [111.578 232.321 408.274 250.371] /Type /Annot endobj /T (68) /Q 1 /P 240 0 R /T (Check Box1) /Ff 4096 /Filter /FlateDecode endobj >> /Resources /FT /Tx /Q 1 /Rect [506.087 340.638 577.159 358.124] /Off 257 0 R << /Subtype /Widget /Subtype /Widget /Type /Annot /P 240 0 R >> /xb2 612 /T (Text56) /P 300 0 R /MK 82 0 obj /Ff 4096 126 0 obj /T (53) /Filter /FlateDecode /MK /FT /Tx Please check your username and password and try again. >> /P 300 0 R /P 240 0 R /T (Text51) /Type /Annot >> /Ff 4096 /P 300 0 R /FT /Tx /Matrix [1 0 0 1 0 0] 242 0 obj /Q 1 /T (Text12) >> << >> /First 305 0 R It is usually used in high pressure and temperature condition. endobj /P 240 0 R /Matrix [1 0 0 1 0 0] /Title (Tables\r) >> endobj >> 114 0 obj >> >> /FT /Tx /Resources /ProcSet [/PDF /Text] /Subtype /Widget /F 4 /FT /Tx << /MK /P 300 0 R << /Resources /Q 1 /Q 1 endobj OWC can also be used for sealing water wells, … >> 67 0 obj /Filter /FlateDecode /Rect [66.4503 305.604 110.447 323.09] /Rect [432.69 413.599 503.762 431.085] /Q 1 237 0 obj >> << /Rect [110.504 179.809 407.201 197.859] /Subtype /Widget /BG [1.0] >> stream /AP /Subtype /Widget >> /MK /Rect [508.371 501.18 577.187 515.281] /Q 1 /F 4 /DNVVIQ5qUa1FXWTO 28 0 R 173 0 obj /T (Check Box5) /Rect [506.115 412.938 577.187 430.424] /Count 16 /P 300 0 R /Subtype /Widget /T (Check Box9) << /FT /Tx endobj 81 0 obj /Name /ZaDb /Subtype /Widget /AS /Off /Subtype /Widget >> << /ProcSet [/PDF /Text] /FT /Tx /F 4 /Rect [430.609 306.031 501.681 323.517] /Q 1 /MK 110 0 obj >> /Q 1 /GS0 320 0 R /P 240 0 R >> /Ff 4096 << /P 240 0 R /Type /Annot << /Rect [505.823 555.717 576.895 573.203] /MK >> >> /Q 1 >> 141 0 obj >> 52 0 obj � /F 4 /Dests 16 0 R >> /FT /Tx /Type /Annot /Ff 4096 >> /FT /Tx << 62 0 obj << /F 4 /Q 1 /Type /Annot << /Yes 242 0 R /BBox [0.0 0.0 6.76872 7.33279] >> /F 4 << /P 240 0 R TradeFord.com is a growing Manufacturer Directory and B2B Marketplace connecting Global Oil Well Cement Importers, Exporters, Suppliers, Traders and Manufacturers at a reliable, common platform. /BC [0.0] This is manufactured as per BIS specifications IS 8229:1986 for use in oil wells, using special set of admixtures to contain C3A component in cement. /Q 1 /Rect [431.277 360.078 502.348 377.564] >> >> 127 0 obj endobj >> /Type /Annot >> /Resources endobj /ProcSet [/PDF] /Rect [504.244 196.853 575.315 214.339] /F 4 << /Rect [505.73 214.545 576.801 232.031] /T (Text23) << /FT /Tx /BG [1.0] >> << endobj /FT /Tx << /FT /Tx >> /Rect [68.5126 413.392 112.51 430.878] /Ff 4096 /Rect [111.533 322.709 408.229 340.759] >> << /Type /Annot • The barrier system that protects usable water includes surface casing and cement. << /MK 195 0 obj 16 0 obj /FT /Tx /MK /Outlines 3 0 R /F 4 /N 282 0 R >> /T (Text81) /F 4 /Type /Annot /Q 1 814 oil well cement class g products are offered for sale by suppliers on Alibaba.com, of which cement accounts for 3%, petroleum additives accounts for 1%, and steel pipes accounts for 1%. << /MK /Type /Annot C150 provides for eight types of Portland cement: Types I, IA, II, IIA, III, IIIA, IV, and V, where the “A” denotes an air-entraining cement. They more often … /T (Text87) << /FT /Tx /Type /Annot endobj endobj endobj /F 4 /FormType 1 0 Section 1. /F 4 >> << /Subtype /Form /Rect [505.217 36.2586 576.289 53.7446] /F 4 >> >> /AP /F 4 68 0 obj /Q 1 /MK /Type /Annot /Length 42 << /Subtype /Widget >> /F 4 endobj /P 300 0 R 206 0 obj /FT /Tx 32 0 obj /F 4 /MK << >> /ProcSet [/PDF /Text] /Subtype /Widget >> << /F 4 endobj /P 300 0 R /Q 1 /xb1 0 >> The American Petroleum Institute (API) operates a specification and certification process which is followed by the vast majority of well cement producers and which specifies the particular composition and properties of the produced cement. /P 240 0 R /Rect [111.014 430.871 407.71 448.921] /T (24) /P 240 0 R /Subtype /Form /Type /Annot /Type /Annot << /Q 1 >> /MK >> /Ff 4096 << >> << >> << /Type /Annot 203 0 obj /FormType 1 >> << /Ff 4096 /MK /Font << /MK /FT /Tx >> /BleedBox [0 0 612 792] >> /P 240 0 R /ProcSet [/PDF] /F 4 /Ff 4096 96 0 obj >> /Ff 4096 /F 4 /Ff 4096 /F 4 /Rect [505.42 287.156 576.492 304.641] /Subtype /Widget /P 300 0 R /F 4 136 0 obj >> << /Ff 4096 A wide variety of oil well cement class g options are available to you, such as 42.5r, 52.5, and 42.5. /Q 1 /Type /Annot /T (Text61) /F3 327 0 R endobj /F 4 /Subtype /Widget /Type /Annot /Type /Annot /Matrix [1.0 0.0 0.0 1.0 0.0 0.0] /Q 1 << >> 86 0 obj /FT /Tx /Type /Outlines /yb1 0 /F 4 >> 149 0 obj /Rect [111.121 359.222 407.817 377.272] /F 4 /Yes 262 0 R /Q 1 /FT /Tx /F 4 >> 101 0 obj /Subtype /Widget /Q 1 >> /Ff 4096 /Type /Annot /FT /Tx << >> endobj /P 300 0 R /Q 1 /Rect [433.481 304.944 504.553 322.43] 228 0 obj /FT /Tx << << /Rect [110.189 323.396 406.885 341.446] /T (Text86) Oil well cement is the special type with high sulface resistant. /Subtype /Widget /DNVVIQ5qUa1FXWTO 24 0 R /P 300 0 R << /F 4 >> 230 0 obj /Rect [504.446 53.9507 575.518 71.4367] >> << /Rect [431.586 162.347 502.658 179.833] /Rect [172.755 269.769 179.523 276.538] /BBox [0.0 0.0 6.76874 6.76874] /Rect [270.211 235.797 278.108 243.694] << >> 57 0 obj endobj /FT /Tx >> >> 192 0 obj << /Q 1 /F 4 /Subtype /Widget /Q 1 >> endobj 104 0 obj >> can be used with accelerators and retarders to cover a wide range. /Annots 328 0 R /F 4 /Type /Annot � /FT /Tx 151 0 obj 45 0 obj << endstream /Q 1 /Matrix [1 0 0 1 0 0] /Rect [66.0846 395.393 110.081 412.879] /Rect [105.556 571.797 312.566 585.898] /MK /Ff 4096 /6f7P8NANGfXETB59 5 0 R /P 240 0 R /F 4 /P 300 0 R An API Class H basic oil well cement whose chemical and physical requirements are defined by the latest edition of and supplement to API Spec 10A, "Specification for Oil Well Cements and Cement Additives" was manufactured using different forms of calcium sulfate such as gypsum, insoluble anhydrite and combinations thereof. Identifying and specifying the basic types of portland cement for use in oil and gas wells it is hoped that the benefits of the API system of classification and specification will be realized and that the system will find wide acceptance and use by all who are concerned with the cementing of oil and gas wells, Portland cement is a hydraulic product made by burning and grinding a mixture of calcareous and argillaceous materials, such as limestone and clay, limestone and shale, limestone and marl, chalk, and clay, or limestone and iron blast furnace slag Although portland cement is primarily a construction product, it is usedextensively also in oil-well cementing operations, Test procedures and specifications for the performance of various types of portland cement in construction work ale maintained by the American Society for Testing Materials (ASTM) ASTM tests are made-quate for determining the performance of cements in wells because they are made under conditions dissimilar to those encountered in oil-well cementing operations The literature reveals that this fact has been recognized since the early use of portland cements in wells 1. >> << << /Ff 4096 /Ff 4096 /MK 73 0 obj They must possess a proper water-to-cement ratio, a sufficient fluid time to allow placement, and must develop enough strength in a minimum time to bond the pipe to the formation. << /Filter /FlateDecode << /MK /Rect [504.911 250.335 575.983 267.821] >> /P 300 0 R << /Type /Annot /Length 99 /Subtype /Widget 212 0 obj >> 222 0 obj /Type /Annot /Length 120 << endobj /T (6) /Ff 4096 Other articles where Oil-well cement is discussed: cement: Types of portland cement: Oil-well cements are used for cementing work in the drilling of oil wells where they are subject to high temperatures and pressures. /Type /Annot /MK /Subtype /Widget endobj /F 4 >> /T (19) >> << << << /BG [1.0] /Font >> /Helv 31 0 R �5����X*i�-�_�$�̈́/03A�kA��̜%�}��F�wX ��0���_��|�������X����ČHSHS�U��ah"�_b �9䁍����-W This product is intended for use as basic well cement. /P 300 0 R 178 0 obj /FT /Tx /Subtype /Widget /FT /Tx >> /Encoding /WinAnsiEncoding /Subtype /Widget /Resources /Type /Annot /Q 1 /F 4 /XObject /T (61) /N 281 0 R /T (Check Box2) 148 0 obj << endobj /Type /Annot /Type /Annot >> >> /Length 116 208 0 obj << /Subtype /Widget >> >> /SType 3 /T (16) /MK /MK /Type /Annot /T (78) /Rect [430.912 484.536 501.984 502.022] /Rect [431.889 396.694 502.961 414.18] /P 240 0 R >> >> >> << /T (Text17) >> Oil Well Cement (IS 8229 -1986) Oil & gas deposits are found in stratified sedimentary rocks at a great depth (may be beyond 4000m). /F 4 /AP A�~�bJm�n�׊v6B@�S�,���Ճ+�0|0 R�� ��Eji�U̴�}Lj ���3��>x!22͐8���&l��ewe���RMT���o0iY����WiM`�8���� /FT /Tx 7 0 obj >> /FormType 1 >> /Subtype /Widget /FT /Tx 112 0 obj /Rect [505.107 466.183 576.179 483.669] /Subtype /Widget /FormType 1 /Subtype /Widget >> /Encoding 235 0 R /Length 48 Oil well cement Cement used in construction of oil and gas wells must serve several functions. /P 240 0 R endstream /FT /Tx /u2pMat [1 0 0 -1 0 792] >> >> /F 4 << << /V (RP 10B-4, Preparation and Testing of Foamed Cement Slurries at Atmospheric Pressure) /P 240 0 R /Subtype /Widget /Q 1 << /Subtype /Widget �! /Type /Annot /Rect [172.755 225.08 180.651 231.849] /ProcSet [/PDF] /P 300 0 R >> /Type /Annot /P 300 0 R /Subtype /Widget /Subtype /Widget /Q 1 /Ff 4096 /FT /Tx << /Q 1 >> /ZaDb 32 0 R endobj >> >> >> >> 147 0 obj /Subtype /Widget /Ff 4096 /Yes 244 0 R /Ff 4096 >> /Rect [66.4424 413.085 110.439 430.571] << /Rect [67.8316 90.1812 111.828 107.667] /F 4 >> endobj /FT /Tx << /Rect [128.042 204.079 363.82 218.181] 10.11. endstream /Q 1 /D /Type /Annot 198 0 obj /T (38) endobj endobj /MK 179 0 obj /V ($77.00) /FT /Tx /FT /Tx /FT /Tx /T (77) /Font The permeability of set oil- well cement to water can be undertaken by a standard procedure using a cement permeameter laid down in API Recommended Practice 10B. endobj endobj /P 300 0 R /Subtype /Widget stream << /F 4 endobj /Length 111 /F 4 >> Specification testing of Class B cement slurries requires 46 percent water (100 parts dry cement by weight to 46 parts mixing water by weight) according to API Specification 10A. /BG [1.0] /FT /Tx /Ff 4096 /F 4 >> /Ff 4096 x�S0T ��t]=c��`�g�`d�*�)�!PDi���S����_X�g�iah��[Dx�?P&�6�D��dQ� 釐!� /Type /Annot << >> << /Subtype /Form This specification is applicable to well cement classes A, B, C, and D, which are the products obtained by grinding Portland cement clinker and, if needed, calcium sulfate (CaSO 4) as an interground additive. /Subtype /Form /Rect [431.483 288.236 502.555 305.722] << /Type /Annot /F 4 endobj /Resources endobj endobj >> 175 0 obj /Ff 4096 >> /T (30) /P 300 0 R /F 4 215 0 obj << /Type /Font /Type /Annot endobj /MK << << >> /Type /Annot /MK /Subtype /Widget >> /P 240 0 R >> /MK << << << /ZaDb 330 0 R /BaseFont /Courier /Rect [131.612 501.744 206.632 515.845] /F 4 << >> << /FT /Tx >> 167 0 obj It continues to improve its quality, service and product designing techniques. /FT /Tx /Q 1 /Type /Annot endobj >> /P 300 0 R /Type /Font 12 0 obj /Subtype /Widget << /Q 1 /MK /Ff 4096 /Subtype /Type1 >> /T (54) /BaseFont /Helvetica endobj /Q 1 191 0 obj /MK 18 0 obj >> /Name /6c7F8nATGgXNTA5x /Type /Annot >> /Rect [66.8002 557.691 110.797 575.177] 231 0 obj /FT /Tx << /Rect [505.217 89.8444 576.289 107.33] 119 0 obj >> /P 240 0 R /F 4 /Q 1 /MK endobj >> endobj /BC [0.0] 245 0 obj >> >> /Type /Annot >> x�S0T ��t]=c�`d�g�`d�*�)�!PDi���S����_X�g�iah��[Dx�?P&�6�D��dQ� 釐!� 40 0 obj /Font >> >> /P 300 0 R << 152 0 obj endobj /T (Text59) /MK 54 0 obj x���� /FT /Tx /Rect [110.092 413.743 406.788 431.793] << << /Rect [506.906 304.848 577.978 322.334] /Resources endobj /F 4 /N /MK /Ff 4096 << << /P 300 0 R >> 14 0 obj /Rect [354.471 459.512 576.711 473.614] /Rect [68.2047 305.663 112.202 323.149] /F 4 22 0 obj /MK /Type /Annot INTRODUCTION The plugging and abandoning (P&A) of oil and gas wells that are no longer economically viable for production, or which have wellbore issues that require closure, has historically been conducted as an afterthought in the oil and gas production business. /Type /XObject /Rect [504.271 269.152 575.343 286.638] /Ff 4096 /Font /Type /Annot 204 0 obj 94 0 obj /P 240 0 R >> /T (10) /Q 1 endobj /MK 227 0 obj << /Type /Font /Ff 4096 endobj /MK >> /Subtype /Widget endobj endobj << << >> /Rect [433.169 538.121 504.24 555.607] /F 4 endobj >> /F 4 /Q 1 Identifying and specifying the basic types of portland cement for use in oil and gas wells it is hoped that the benefits of the API system of classification and specification will be realized and that the system will find wide acceptance and use by all who are concerned with the cementing of oil and gas wells >> /Q 1 endobj /MK 170 0 obj /Ff 4096 /Ff 4096 >> /Q 1 /F 4 /FT /Tx /FT /Tx 78 0 obj /6D7J8PANGwXQTB55 10 0 R /Encoding /WinAnsiEncoding endobj >> >> Portland cement was developed by Joseph Aspdin /T (Text91) /FT /Tx << Coming to their quality, these kinds of best quality oil well cement fall behind in no aspect or feature. << << << /T (Text37) << /F 4 /FT /Tx /Resources endobj >> /Matrix [1 0 0 1 0 0] /Q 1 /P 300 0 R /Subtype /Widget /Matrix [1.0 0.0 0.0 1.0 0.0 0.0] /Subtype /Widget /P 240 0 R /P 240 0 R endobj 83 0 obj /MK /Type /Annot /Ff 4096 /F 4 /T (Text90) /Subtype /Widget >> /P 300 0 R Early hydration characteristics of oil well cement pastes admixed with newly prepared organic admixture. >> /T (Text101) /6f7P8NANGfXETB59 endobj /F 4 >> /BG [1.0] /Rect [114.784 616.846 120.989 623.615] /P 240 0 R /Ff 4096 /FT /Tx >> /MK /T (67) /F 4 >> /FT /Tx /Subtype /Widget << /MK /Ff 4096 /MK /T (Text64) /Rect [111.567 412.925 408.263 430.975] /Subtype /Widget /FT /Tx << /F 4 endobj /MK /Font At various depth level, oil well cement is designed to flow and solidify rapidly at the desired period. /T (Text76) /FT /Tx >> /MK /FT /Tx << 36 0 obj endobj /Rect [505.884 143.327 576.956 160.813] /P 240 0 R /MK /FT /Tx /First 17 0 R /Ff 4096 /Rect [505.448 359.455 576.519 376.941] /Ff 4096 /Subtype /Widget /F 4 /MK >> /T (34) /Q 1 103 0 obj /FormType 1 /Ff 4096 /F 4 /BaseFont /Helvetica /P 300 0 R endobj >> /T (64) /Q 1 /Q 1 /BBox [-1 -2 80 20] << /Rect [504.959 232.237 576.031 249.723] /T (42) /Off 236 0 R /MK /Subtype /Widget >> /Type /Annot >> /Pages 4 0 R /Rect [110.243 449.127 406.94 467.177] /MK >> /Rect [110.807 251.706 407.504 269.756] /Ff 4096 /Type /Annot /F 4 /Type /Annot /T (52) << >> /Type /Annot << /T (75) << /P 240 0 R << << /Rect [111.946 287.325 408.642 305.375] /Ff 4096 /PDFDocEncoding 235 0 R /Rect [67.0693 504.099 111.066 521.585] >> /F 4 << /P 300 0 R /Type /Annot /CA (4) /Ff 4096 /P 300 0 R << /Type /Annot << endobj endstream /Count 24 /Font << /Matrix [1.0 0.0 0.0 1.0 0.0 0.0] /Rect [373.801 487.436 580.811 501.537] /ProcSet [/PDF /Text] Cementing is the process of mixing a slurry of cement, cement additives and water and pumping it down through casing to critical points in the annulus around the … They usually consist of portland or pozzolanic cement (see below) with special organic retarders to prevent the cement from setting too quickly. /Type /Annot /Subtype /Widget /Q 1 << /T (4) /Ff 4096 47 0 obj >> 157 0 obj << /Subtype /Widget /F 4 stream l << /MK endobj endobj endobj /BG [1.0] !Y >> /FormType 1 /N 284 0 R /MK << /Subtype /Widget endobj >> endstream /P 300 0 R /AP /Subtype /Widget /P 240 0 R /P 240 0 R /Rect [356.576 599.423 576.56 613.525] << /Type /Annot /Subtype /Widget /Type /Annot << /Subtype /Widget /Subtype /Widget << /Q 1 << >> << /MK x�3�375�4VH�2P0P0�37�0�QE�\i\z� /P 240 0 R /Q 1 /AP /Filter /FlateDecode >> 144 0 obj /Ff 4096 >> << >> endobj /T (Text78) << >> /ProcSet [/PDF /Text] >> They consist of either portland or blended cements, plus additives. /Ff 4096 • First well cementing ~ 1903 – Perkins Oil Well Cementing Co., Calif. – Shovel/cement mixer • First use of an eductor – Jet mixer invented 1921 – “High pressure” mixing – In use till the 1970s • Still used by some • Gravity cement feed 12 Primary Cementing Objectives … /Encoding /WinAnsiEncoding /MK stream << /P 240 0 R >> endobj >> The cement used for oil well cementing differs from concrete or masonry work in that it consists of a thin slurry of primarily cement and water. /FT /Tx /Ff 4096 endobj /Type /Annot /T (29) /Rect [506.496 179.943 577.568 197.429] /P 300 0 R /Type /Annot /Ff 4096 /FT /Tx << /FT /Tx /AP /Ff 4096 << /F 4 /FT /Tx /Q 1 /Type /Annot << stream Zonal isolation for each well must be designed and constructed with regard to its unique geological environment. /D /Type /XObject These cements are designed to meet the varying … x�=�� >> >> /AP /T (Check Box4) /F 4 /MK /BBox [0.0 0.0 7.89685 7.89685] /T (Text62) /P 300 0 R 17 0 obj /Type /Annot >> /Subtype /Widget /FT /Tx /T (Text42) /Off 243 0 R /Subtype /Widget 4 . /F 4 >> x�3TH�2P0P0�37�0�QE�\i\z� /V (RP 10B-2, Testing Well Cements) /BBox [0.0 0.0 7.89685 7.89685] >> endobj >> << /F 4 >> >> /T (Text32) /FT /Tx /ZaDb 330 0 R 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endobj /Q 1 /P 240 0 R /Rect [65.2749 252.719 73.1718 260.616] /P 300 0 R /Ff 4096 /AP /MK /Subtype /Widget /F 4 �! >> /FT /Tx >> << >> /P 240 0 R /Ff 4096 /AS /Off /MK 140 0 obj /MK /Ff 4096 >> >> /F 4 105 0 obj /P 240 0 R /T (15) /FT /Tx >> /FT /Tx /Ff 4096 138 0 obj /Ff 4096 /FT /Tx 107 0 obj /T (26) All operators around the world refer to lab procedures specified by the American Petroleum Institute (API) standards, most of which are also International Standard Organization (ISO) procedures today.These standards don’t cover all available test apparatuses widely used today, but they offer a way “to promote standardization and uniformity and to eliminate discrepancies and misunderstandings relative to cement slu… /Type /Annot /Rect [111.165 269.962 407.862 288.012] /Rect [111.523 288.218 408.219 306.268] >> endobj /F 4 /F 4 /P 300 0 R /MK /Rect [432.301 251.881 503.373 269.367] /Ff 4096 << /Subtype /Widget >> >> stream >> /Filter /FlateDecode /Q 1 /Ff 4096 /Subtype /Widget /Rect [396.514 501.386 466.458 515.488] << >> >> /MK /Subtype /Widget >> /Type /Annot >> /F 4 endobj /Q 1 /FT /Tx << endobj 168 0 obj /T (Text27) endobj endobj endobj /FT /Tx /F 4 << /MK /Type /Annot << endstream /Rect [432.301 198.296 503.373 215.782] /MK /Subtype /Widget /Rect [380.253 558.259 577.111 572.361] << /Ff 4096 /P 300 0 R /Subtype /Widget endstream /FT /Btn >> /Rect [110.037 71.4125 406.733 89.4625] << endobj 53 0 obj endobj >> >> >> /Off 269 0 R /MK /Type /Annot >> /Type /Annot /T (65) >> >> /BC [0.0] /Subtype /Widget /MK endobj >> /Name /6X7A8BA6GDX0Td52 /F 4 /P 240 0 R endstream << /F 4 1 0 obj << /F 4 /Ref 10 0 R /Type /XObject << /Rect [431.995 287.252 503.067 304.738] /BBox [-1 -2 80 20] /Type /Annot /FormType 1 >> /F 4 /MK 188 0 obj << /P 300 0 R /Subtype /Form /F 4 /Subtype /Widget /Matrix [1 0 0 1 0 0] >> << /MK The cement used in oil wells must possess three primary properties. /MK /FT /Tx 23 0 obj /CA (4) /MK /Type /Annot /Yes 258 0 R /T (Text38) /MK >> Oil-well cement is utilized for cementing work in the boring of oil wells where they are liable to high temperatures and pressures. 115 0 obj /MK /CA (4) /FT /Tx /F 4 << /FT /Tx endobj /Ff 4096 >> /Name /Helv /Subtype /Widget /P 300 0 R /Type /Annot /Font /Q 1 >> /Q 1 /Ff 4096 /Kids [314 0 R 315 0 R 316 0 R] /P 300 0 R >> /T (Check Box11) << /Q 1 >> /Ff 4096 /Type /Annot /F 4 /Ff 4096 Oil Well Cements. /Ff 4096 >> /F 4 /F 4 /MK << /MK /P 240 0 R /T (Text36) /Ff 4096 /Ff 4096 << /P 300 0 R /FT /Tx OPC/PPC are used in Construction industry for Structural Concrete. /Yes 274 0 R 181 0 obj << /T (Text46) << /FT /Tx /P 300 0 R /BBox [0.0 0.0 7.89687 7.89685] /P 300 0 R /Filter /FlateDecode /Subtype /Widget /Type /Pages /T (40) >> /Filter /FlateDecode /FT /Tx /P 240 0 R << endobj /T (31) << << >> /Off 247 0 R /Rect [111.317 306.475 408.013 324.524] Title: CK Oil well Cement Leaflet_WEB Created Date: 3/6/2018 11:59:26 AM endobj >> /T (Check Box6) << /Rect [506.933 377.147 578.005 394.633] /N 280 0 R stream /BC [0.0] << /Type /Annot << 145 0 obj which is primarily a construction material, is used extensively In oil and gas wells To provide products that perform satisfactorily the high temperatures and pressures encountered In many well-cementing operations, the cement manufacturers market special oil-well types of portland cement in addition to the regular construction types Because there are many types and brands of portland cement, the purchasers often are confused about which ones possess the properties needed for various well conditions, The API specification discussed in this paper contains a set of physical and chemical requirements constituted specifically to cover those properties needed in the cementing of oil and gas wells It includes also a system of classifying and identifying portland cement In terms related to well-cementing operations The system provides for seven classes of portland cement to cover each basic type available to the oil and gas industry Specification values for the seven classes have been established on thickening time , strength, soundness. /MK >> /Type /Annot It must provide zonal isolation so that oil or gas can be produced preferentially. /Q 1 8 0 obj /Type /Annot << /Q 1 /Q 1 /Ff 4096 >> Morga, B.E. /MK /Q 1 /Type /Annot 25 0 obj !Y << /Last 18 0 R << /BaseFont /Courier /Q 1 endobj >> >> >> 156 0 obj >> /T (74) endobj /Ff 4096 /Type /Annot << endobj << /F 4 >> /Ff 4096 << /Subtype /Form << /T (5) << 79 0 obj /FT /Tx 111 0 obj << /N << /Length 54 /MK /Q 1 /Subtype /Widget /Rect [506.163 394.84 577.235 412.326] << /Q 1 As a result, oil companies purchase cement manufactured according to specification of API for its oil well cementing. >> /Subtype /Widget /MK 109 0 obj Cement slurries are used in oil and gas wells for cementing the steel casing to the wellbore and thus sealing the rock formations from the well. /T (Text40) /D /Subtype /Widget /F 4 endobj << /Q 1 endobj /Type /Annot API Spec 13A API Specification for Oil -Well Drilling -Fluid Materials API RP 13B -1 API Recommended Practice Standard Procedur e for Field Testing Water -Based Drilling Fluids ASTM C 138 Test Method for Unit Weight of Concrete ASTM C 143 Test Method for Slump of Concrete ASTM C 150 Standard Specification for Portland Cement >> /Ff 4096 /Type /Annot /MK >> /Subtype /Widget /Rect [101.456 544.309 308.466 558.411] The difference between construction cement and oil well cement are: No aggregate is added to oil well cement /Ff 4096 endobj << endobj /F 4 << �@�_e� /Subtype /Widget /P 300 0 R << << >> /P 300 0 R /F 4 /T (Text24) << /Type /Pages endobj /FT /Tx endstream >> x�S0T ��t]=c�`h�g�`d�*�)�!PDi���S����_X�g�iah��[Dx�?P&�6�D��dQ� 釐!� /ProcSet [/PDF /Text] /ProcSet [/PDF /Text] /P 300 0 R << endobj >> /ProcSet [/PDF /Text] /ExtGState /Ff 4096 /P 300 0 R /Rect [505.265 359.417 576.337 376.903] /FT /Tx 3 0 obj /T (3) 72 0 obj << /BBox [0.0 0.0 6.76872 7.33279] >> >> /Filter /FlateDecode /CropBox [0 0 612 792] /Rect [504.24 234.093 575.312 251.579] /F 4 /FT /Tx /MK /FT /Tx /MK /Rect [110.753 503.332 407.449 521.382] /BBox [0.0 0.0 6.76874 6.76874] endobj /F 4 >> << >> /Type /Annot /Type /Annot /F 4 >> >> /Subtype /Widget 241 0 obj %���� << /Rect [68.2522 72.5374 112.249 90.0233] >> >> << >> << endobj /Type /XObject endobj >> >> endobj /Subtype /Widget 224 0 obj >> << endobj /Subtype /Widget /T (Text18) /Parent 4 0 R /MK /AP >> /Ff 4096 /Ff 4096 /FT /Tx /Type /Annot stream /Type /Annot /Subtype /Form << 102 0 obj >> << � A wide variety of oil well cement class g options are available to you, such as 42.5r, 52.5, and 42.5. l3�Ks &a Search for other works by this author on: You do not currently have access to this content. /DigitMark33 According to the US API specification, oil well cement can be classified into eight grades. /Names 2 0 R /Q 1 /ZaDb 329 0 R /MK /Type /Annot /T (60) 154 0 obj /Subtype /Widget /Subtype /Widget << << << /MK >> /MK endobj endobj 4\ �'K >> >> >> >> /Type /Annot /Length 120 /Matrix [1.0 0.0 0.0 1.0 0.0 0.0] /BBox [0.0 0.0 6.76872 7.33279] Oil Well Cement (OWC) Oil well cement is a Portland cement developed for the usage in oil and gas industry. /Subtype /Widget /Subtype /Widget /Rect [431.792 89.941 502.864 107.427] /T (Text82) << endobj << /Type /Annot /Rect [430.974 72.7098 502.045 90.1957] /F 4 >> /Q 1 166 0 obj << /F 4 /Subtype /Form /Ff 4096 /Q 1 /T (Text1) >> endobj /Off 275 0 R >> /T (Text95) endobj /Subtype /Widget /Subtype /Widget 31 0 obj /BC [0.0] /Rect [432.35 574.476 503.422 591.962] /MK << endobj /Q 1 /Type /Annot << << << /Rect [110.917 341.282 407.613 359.332] /Subtype /Widget /Q 1 << /F 4 /Subtype /Form /N 279 0 R /SType 4 /P 240 0 R /F 4 endobj /Q 1 << >> /Rect [503.828 378.905 574.899 396.391] >> << /Type /XObject /FormType 1 /Subtype /Widget /Q 1 /ProcSet [/PDF /Text] << /Subtype /Widget /F 4 >> /Rect [505.314 396.597 576.385 414.083] >> endobj OIL WELL CEMENT CLASS G QUALITY CERTIFICATE IN ACOORDANCE TO API SPEC 10A -MARCH 2019 /AS /Off /Rect [110.753 125.411 407.449 143.461] /T (45) >> /Subtype /Widget >> 180 0 obj /T (Text43) /Subtype /Widget /FT /Tx /MK /MK /FT /Tx >> /Type /Annot << endobj j) ClaJJJ -intended for use as manufactured from 3 660 to 4 IlIlO m depth, when conditions require moderate to high sulphate rests­ tant type under extremely high temperatures and pressures and. 60 0 obj << /Ff 4096 /Filter /FlateDecode << /Ff 4096 >> /Q 1 /Rect [504.337 483.875 575.409 501.361] /T (43) >> 183 0 obj << /P 300 0 R /Length 125 /Q 1 endobj /Differences [24 /breve /caron /circumflex /dotaccent /hungarumlaut /ogonek /ring /tilde 39 /quotesingle 96 /grave 128 /bullet /dagger /daggerdbl /ellipsis /emdash /endash /florin /fraction /guilsinglleft /guilsinglright /minus /perthousand /quotedblbase /quotedblleft /quotedblright /quoteleft /quoteright /quotesinglbase /trademark /fi /fl /Lslash /OE /Scaron /Ydieresis /Zcaron /dotlessi /lslash /oe /scaron /zcaron 160 /Euro 164 /currency 166 /brokenbar 168 /dieresis /copyright /ordfeminine 172 /logicalnot /.notdef /registered /macron /degree /plusminus /twosuperior /threesuperior /acute /mu 183 /periodcentered /cedilla /onesuperior /ordmasculine 188 /onequarter /onehalf /threequarters 192 /Agrave /Aacute /Acircumflex /Atilde /Adieresis /Aring /AE /Ccedilla /Egrave /Eacute /Ecircumflex /Edieresis /Igrave /Iacute /Icircumflex /Idieresis /Eth /Ntilde /Ograve /Oacute /Ocircumflex /Otilde /Odieresis /multiply /Oslash /Ugrave /Uacute /Ucircumflex /Udieresis /Yacute /Thorn /germandbls /agrave /aacute /acircumflex /atilde /adieresis /aring /ae /ccedilla /egrave /eacute /ecircumflex /edieresis /igrave /iacute /icircumflex /idieresis /eth /ntilde /ograve /oacute /ocircumflex /otilde /odieresis /divide /oslash /ugrave /uacute /ucircumflex /udieresis /yacute /thorn /ydieresis] Cement cement used in the world of well cement Leaflet_WEB Created date: 3/6/2018 AM!: Specification for cements and Materials for well cementing are presented can be used in construction of oil well to! 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