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1. 发明申请

WO2008001049A1 WELLBORE FLUID 审中-公开
标题翻译：井底流体
公开(公告)号：WO2008001049A1
公开(公告)日：2008-01-03
申请号：PCT/GB2007/002323
申请日：2007-06-21
申请人： BP EXPLORATION OPERATING COMPANY LIMITED , DUNCUM, Simon, Neil , SAWDON, Christopher, Alan
发明人： DUNCUM, Simon, Neil , SAWDON, Christopher, Alan
IPC分类号： C09K8/24 , C09K8/12 , C09K8/28 , C09K8/60
CPC分类号： C09K8/12 , C09K8/24 , C09K8/28 , C09K8/508 , C09K2208/18
摘要： There is provided a wellbore fluid having a continuous aqueous phase, and comprising at least one polymer which contains both hydrophilic units and hydrophobic units, at least some of said hydrophilic units containing sulfonate groups, and less than 50 % by weight of said hydrophilic units comprising -CH 2 .CH 2 .O- units; and at least some of said hydrophobic units containing pendant alkyl groups having at least 8 carbon atoms. Such aqueous based wellbore fluids exhibit significantly improved fluid loss properties when used in wellbore operations, such as drilling, completion or workover.
摘要翻译：提供了具有连续水相的井筒流体，并且包含至少一种含有亲水单元和疏水单元的聚合物，至少一些所述含有磺酸盐基团的亲水单元和小于50重量％的所述亲水单元包含 -CH 2 O 2单元; 并且至少一些所述疏水单元含有具有至少8个碳原子的侧基烷基。当用于井眼操作（例如钻井，完井或修井）时，这种基于水的井筒流体显示出显着改善的流体损失特性。

2. 发明申请

WO2008001048A1 WELLBORE FLUID 审中-公开
标题翻译：井底流体
公开(公告)号：WO2008001048A1
公开(公告)日：2008-01-03
申请号：PCT/GB2007/002311
申请日：2007-06-21
申请人： BP EXPLORATION OPERATING COMPANY LIMITED , DUNCUM, Simon, Neil , SAWDON, Christopher, Alan
发明人： DUNCUM, Simon, Neil , SAWDON, Christopher, Alan
IPC分类号： C09K8/24 , C09K8/12 , C09K8/28 , C09K8/60
CPC分类号： C09K8/12 , C09K8/24 , C09K8/28 , C09K8/508 , C09K2208/18
摘要： There is provided a wellbore fluid having a continuous aqueous phase, and comprising at least one polymer which: - has a molecular weight in the range of from 2,000 to less than 100,000; contains hydrophilic units such that the polymer is at least 2 % soluble in water at 20 °C, and such that less than 50 % by weight of said hydrophilic units comprise -CH 2 -CH 2 O- units; and contains pendant alkyl groups having at least 10 carbon atoms, the combined molecular weight of said pendant alkyl groups being in the range of from 15 to 70% by weight based on the weight of the polymer. Such aqueous based wellbore fluids exhibit significantly improved fluid loss properties when used in wellbore operations, such as drilling, completion or workover.
摘要翻译：提供了具有连续水相的井筒流体，并且包含至少一种聚合物，其分子量在2,000至小于100,000的范围内; 含有亲水单元，使得聚合物在20℃下至少可溶于水2％，并且使得小于50重量％的所述亲水单元包含-CH 2 -CH 2 O-单元; 并且含有具有至少10个碳原子的侧基烷基，所述侧基烷基的组合分子量基于聚合物的重量计在15至70重量％的范围内。当用于井眼操作（例如钻井，完井或修井）时，这种基于水的井筒流体显示出显着改善的流体损失特性。

3. 发明申请

WO2007088322A1 WELLBORE FLUID COMPRISING A BASE FLUID AND A PARTICULATE BRIDGING AGENT 审中-公开
标题翻译：包含基础流体和颗粒桥联剂的井筒流体
公开(公告)号：WO2007088322A1
公开(公告)日：2007-08-09
申请号：PCT/GB2007/000055
申请日：2007-01-10
申请人： BP EXPLORATION OPERATING COMPANY LIMITED , DUNCUM, Simon, Neil , SAWDON, Christopher, Alan
发明人： DUNCUM, Simon, Neil , SAWDON, Christopher, Alan
IPC分类号： C09K8/03 , C09K8/16 , C09K8/26 , C09K8/32 , C09K8/502 , C09K8/504 , C09K8/52 , C09K8/66
CPC分类号： C09K8/032 , C09K8/16 , C09K8/265 , C09K8/32 , C09K8/502 , C09K8/5045 , C09K8/52 , C09K8/665 , C09K2208/18
摘要： A wellbore fluid comprising a base fluid and a particulate bridging agent comprised of a sparingly water-soluble material selected from the group consisting of melamine (2,4,5- triamino-l,3,5-triazine), lithium carbonate, lithium phosphate (Li 3 PO 4 ), and magnesium sulfite.
摘要翻译：一种井眼流体，其包含基础流体和颗粒状桥联剂，其由选自三聚氰胺（2,4,5-三氨基-1,3,5-三嗪），碳酸锂，磷酸锂的微溶水性材料（Li 3 PO 4）和亚硫酸镁。

4. 发明申请

WO2002099013A3 PROCESS FOR DEACIDIFYING CRUDE OIL 审中-公开
公开(公告)号：WO2002099013A3
公开(公告)日：2002-12-12
申请号：PCT/GB2002/002485
申请日：2002-05-28
申请人： BP EXPLORATION OPERATING COMPANY LIMITED , DUNCUM, Simon, Neil , OSBORNE, Christopher, George
发明人： DUNCUM, Simon, Neil , OSBORNE, Christopher, George
IPC分类号： C10G21/16
摘要： A process for deacidifying a crude oil and/or crude oil distillate containing organic acids the steps of (a) contacting the oil containing organic acids with a polar solvent comprising a C 1 to C 6 aliphatic alcohol in the presence of a Group IA and/or Group IIA metal salt selected from the group consisting of Group IA and/or Group IIA metal oxides, hydroxides and alkoxides such that at least a portion of the organic acids are converted into Group IA and/or Group IIA neutralization salts thereof and at least a portion of the neutralization salts are extracted into the polar solvent as an extract phase; (b) separating an oil phase which is reduced in acidity from the polar solvent extract phase; and (c) contacting the polar solvent extract phase with a heterogeneous esterification catalyst under condition effective to convert at least a portion of the Group IA and/or Group IIA neutralization salts to the corresponding esters of the organic acids and the C 1 to C 6 aliphatic alcohol.

5. 发明申请

WO2003106810A1 METHOD FOR SCALE INHIBITION IN OIL WELLS 审中-公开
标题翻译：油壁尺寸抑制方法
公开(公告)号：WO2003106810A1
公开(公告)日：2003-12-24
申请号：PCT/GB2003/002100
申请日：2003-05-15
申请人： BP EXPLORATION OPERATING COMPANY LIMITED , COLLINS, Ian, Ralph , DUNCUM, Simon, Neil
发明人： COLLINS, Ian, Ralph , DUNCUM, Simon, Neil
IPC分类号： E21B37/06
CPC分类号： C09K8/516 , C09K8/528 , C09K8/536 , C09K8/54 , C09K8/92
摘要： A method of inhibiting scale formation in a subterranean formation comprising: (a) injecting a suspension comprising particles of a controlled release scale inhibitor suspended in an aqueous medium into a formation through an injection well wherein the particles have a mean diameter of less than 10 microns, preferably less than 5 microns, more preferably less than 1 micron; (b) allowing the suspension to percolate through the subterranean formation towards a production well; and (c) controllably releasing the scale inhibitor from the particles in the near well bore region of the production well. Suitably, the particles of the controlled release scale inhibitor comprise an esterifiable scale inhibitor cross-linked with a polyol via ester cross-links.
摘要翻译：一种抑制地层中结垢形成的方法，包括：（a）通过注射井将包含悬浮在含水介质中的控释放垢垢抑制剂颗粒的悬浮液注入地层，其中颗粒的平均直径小于10微米，优选小于5微米，更优选小于1微米; （b）允许悬浮液通过地层渗透到生产井; 和（c）可控制地从制造井的井眼区域内的颗粒中释放阻垢剂。合适地，控释垢抑制剂的颗粒包括通过酯交联与多元醇交联的可酯化阻垢抑制剂。

6. 发明申请

WO2003106809A1 METHOD OF PREPARING MICROPARTICLES 审中-公开
标题翻译：制备微生物的方法
公开(公告)号：WO2003106809A1
公开(公告)日：2003-12-24
申请号：PCT/GB2003/002091
申请日：2003-05-15
申请人： BP EXPLORATION OPERATING COMPANY LIMITED , COLLINS, Ian, Ralph , DUNCUM, Simon, Neil
发明人： COLLINS, Ian, Ralph , DUNCUM, Simon, Neil
IPC分类号： E21B37/06
CPC分类号： C09K8/92 , B01J13/125 , C09K8/536 , C09K8/54
摘要： A method of preparing microparticles comprising an aqueous solution or dispersion of an oil or gas field production chemical encapsulated in a continuous polymeric phase comprising a degradable polymer, which method comprises: (a) preparing a water in oil in water double emulsion or a water in oil in oil double emulsion having an internal aqueous phase comprising an aqueous solution or dispersion of the production chemical and an internal oil phase comprising a solution of a degradable polymer dissolved in a volatile organic solvent wherein the internal aqueous phase is dispersed in the internal oil phase of the double emulsion in the form of droplets having a mean diameter of less than 10 microns; and (b) at least in part evaporating the volatile organic solvent from the double emulsion such that the degradable polymer accumulates around the droplets of the internal aqueous phase and hardens to form microparticles comprising a continuous polymeric phase encapsulating the internal aqueous phase having a mean particle diameter of less than 10 microns.
摘要翻译：一种制备微粒的方法，其包括包封在包含可降解聚合物的连续聚合物相中的油或气田生产化学品的水溶液或分散体，该方法包括：（a）在水中制备水包油双乳液或水油包水乳液，其具有包含生产化学品的水溶液或分散体的内部水相和包含溶解在挥发性有机溶剂中的可降解聚合物溶液的内部油相，其中内部水相分散在内部油相中的平均直径小于10微米的液滴形式的双重乳液; 和（b）至少部分地从双重乳液中蒸发挥发性有机溶剂，使得可降解聚合物在内部水相的液滴周围积聚并硬化以形成包含连续聚合物相的微粒，所述微粒包封具有平均粒子的内部水相直径小于10微米。

7. 发明申请

WO2002099013A2 PROCESS FOR DEACIDIFYING CRUDE OIL 审中-公开
标题翻译：去除原油的方法
公开(公告)号：WO2002099013A2
公开(公告)日：2002-12-12
申请号：PCT/GB2002/002485
申请日：2002-05-28
申请人： BP EXPLORATION OPERATING COMPANY LIMITED , DUNCUM, Simon, Neil , OSBORNE, Christopher, George
发明人： DUNCUM, Simon, Neil , OSBORNE, Christopher, George
IPC分类号： C10G21/16
CPC分类号： C10G21/16 , C10G21/28
摘要： A process for deacidifying a crude oil and/or crude oil distillate containing organic acids the steps of (a) contacting the oil containing organic acids with a polar solvent comprising a C 1 to C 6 aliphatic alcohol in the presence of a Group IA and/or Group IIA metal salt selected from the group consisting of Group IA and/or Group IIA metal oxides, hydroxides and alkoxides such that at least a portion of the organic acids are converted into Group IA and/or Group IIA neutralization salts thereof and at least a portion of the neutralization salts are extracted into the polar solvent as an extract phase; (b) separating an oil phase which is reduced in acidity from the polar solvent extract phase; and (c) contacting the polar solvent extract phase with a heterogeneous esterification catalyst under condition effective to convert at least a portion of the Group IA and/or Group IIA neutralization salts to the corresponding esters of the organic acids and the C 1 to C 6 aliphatic alcohol.
摘要翻译：一种使含有机酸的原油和/或原油馏出物脱酸的方法，其步骤为：（a）在含有有机酸的油和/或原油馏出物的存在下，将含油的有机酸与包含C 1 -C 6脂族醇的极性溶剂接触选自IA和/或IIA族金属氧化物，氢氧化物和醇盐的IA族和/或IIA族金属盐，使得至少一部分有机酸转化为IA族和/或IIA族中和盐并且将至少一部分中和盐作为萃取相萃取到极性溶剂中; （b）将酸性降低的油相与极性溶剂萃取相分离; 和（c）极性溶剂萃取相与非均相酯化催化剂接触，条件是有效地将至少一部分IA族和/或IIA族中和盐转化成相应的有机酸酯，C> 1 C> 6 <脂肪醇。

8. 发明申请

WO1996004462A1 HYDRATE INHIBITION 审中-公开
标题翻译：水合物抑制
公开(公告)号：WO1996004462A1
公开(公告)日：1996-02-15
申请号：PCT/GB1995001801
申请日：1995-07-28
申请人： BP EXPLORATION OPERATING COMPANY LIMITED
发明人： BP EXPLORATION OPERATING COMPANY LIMITED , DUNCUM, Simon, Neil , EDWARDS, Antony, Roland , OSBORNE, Christopher, George
IPC分类号： E21B37/06
CPC分类号： C10L1/10 , C09K8/52 , C09K2208/22 , C10L1/1225 , C10L1/125 , C10L1/143 , C10L1/1824 , C10L1/1852 , C10L1/1857 , C10L1/1881 , C10L1/1883 , C10L1/195 , C10L1/1955 , C10L1/1963 , C10L1/1973 , C10L1/198 , C10L1/1985 , C10L1/1988 , C10L1/222 , C10L1/2222 , C10L1/232 , C10L1/2366 , C10L1/2368 , C10L1/2406 , C10L1/2412 , C10L1/2437 , C10L1/2468 , C10L1/2475 , C10L1/2608 , C10L1/2641 , C10L1/2658 , C10L1/285 , C10L3/00 , Y10S507/939 , Y10S585/95 , Y10T137/0329 , Y10T137/0391
摘要： A method of inhibiting or retarding formation of hydrates from water and a lower alkane, such as methane or ethane, involves adding additives which comprise (i) a corrosion inhibitor and (ii) a salt which is of formula [R (R )XR ] Y , wherein each of R , R and R is bonded directly to X, each of R and R , which may be the same or different is an alkyl group of at least 4 carbons, X is S, NR or PR , wherein each of R and R which may be the same or different represents hydrogen or an organic group, with the proviso that at least one of R and R is an organic group of at least 4 carbons, and Y is an anion, the additives being added in an amount effective to inhibit or retard hydrate formation, to a medium susceptible to hydrate formation.
摘要翻译：抑制或延缓水和低级烷烃如甲烷或乙烷形成水合物的方法涉及添加添加剂，其包括（i）腐蚀抑制剂和（ii）式[R 1（R R 2，R 2和R 3各自独立地键合到X，R 1和R 2各自独立地为其可以相同或不同，是至少4个碳的烷基，X是S，NR 4或PR 4，其中R 3和R 4各自可以相同或不同的表示氢或有机基团，条件是R 3和R 4中的至少一个是至少4个碳的有机基团，Y是阴离子，添加剂的量有效抑制或阻止水合物形成，使其易于形成水合物。

9. 发明申请

WO1994025727A1 HYDRATE INHIBITION 审中-公开
标题翻译：水合物抑制
公开(公告)号：WO1994025727A1
公开(公告)日：1994-11-10
申请号：PCT/GB1994000952
申请日：1994-05-04
申请人： BP EXPLORATION OPERATING COMPANY LIMITED
发明人： BP EXPLORATION OPERATING COMPANY LIMITED , DUNCUM, Simon, Neil , EDWARDS, Antony, Roland , GORDON, Kevin, Raymond , HOLT, Christopher, Brunsden , LIPS, Alexander , OSBORNE, Christopher, George
IPC分类号： E21B37/06
CPC分类号： C09K8/32 , C09K8/52 , C09K2208/22
摘要： Formation of gas hydrate e.g. crystalline hydrates from natural gas, is inhibited or retarded by addition to a medium susceptible thereto of an additive, which is at least one of (i) a hydrophilic colloid, (ii) a cyclic compound with at least -(C=O)-O- group in a ring and (iii) an amino carbohydrate and preferably at least one of (iv) an amino acid or derivative thereof, (v) an amino alcohol or derivative thereof, (vi) a glycol ether or derivative thereof, (vii) a hydroxyacid or derivative thereof, (viii) a corrosion inhibitor and (ix) a polymer of an ethylenically unsaturated compound.
摘要翻译：气体水合物的形成，例如从天然气中得到的结晶水合物，通过加入易受其添加剂的介质而被抑制或延缓，所述添加剂是（i）亲水胶体，（ii）具有至少 - （C = O） - O-基团，和（iii）氨基碳水化合物，优选至少一种（iv）氨基酸或其衍生物，（v）氨基醇或其衍生物，（vi）二醇醚或其衍生物（ vii）羟基酸或其衍生物，（viii）腐蚀抑制剂和（ix）烯属不饱和化合物的聚合物。

10. 发明申请

WO1995019408A1 HYDRATE INHIBITION 审中-公开
标题翻译：水合物抑制
公开(公告)号：WO1995019408A1
公开(公告)日：1995-07-20
申请号：PCT/GB1995000052
申请日：1995-01-12
申请人： BP EXPLORATION OPERATING COMPANY LIMITED
发明人： BP EXPLORATION OPERATING COMPANY LIMITED , DUNCUM, Simon, Neil , EDWARDS, Antony, Roland , OSBORNE, Christopher, George
IPC分类号： C10L03/00
CPC分类号： C10L3/00 , C09K8/52 , C09K2208/22 , C10L3/003
摘要： Formation of gas hydrate e.g. crystalline hydrates from natural gas especially with o.5-5 % carbon dioxide is inhibited or retarded by addition to a medium susceptible thereto of an additive (hereinafter called the Additive) which is (i) an aliphatic (N-heterocyclic carbonyl) polymer, hereafter called the Polymer, and especially also at least one of (ii) a cyclic compound with at least one -(C=O)-O- group in a ring, (iii) an amino carbohydrate, (iv) an amino acid or derivative thereof, (v) an amino alcohol or derivative thereof, (vi) a hydroxy ether or derivative thereof, (vii) a hydroxy acid or a derivative thereof, and (viii) a corrosion inhibitor, (ix) a water soluble polymer of a polar ethylenically unsaturated monomer, and (x) a hydrophilic colloid, the Additive being added in an amount effective to inhibit or retard hydrate formation, to a medium susceptible to hydrate formation.
摘要翻译：气体水合物的形成，例如天然气特别是含有0.5-5％二氧化碳的结晶水合物通过添加到易受其添加剂的介质（以下称为添加剂）而被抑制或延缓，其为（i）脂族（N-杂环羰基）聚合物，特别是（ii）环中具有至少一个 - （C = O）-O-基团的环状化合物中的至少一种，（iii）氨基碳水化合物，（iv）氨基酸或衍生物，（v）氨基醇或其衍生物，（vi）羟基醚或其衍生物，（vii）羟基酸或其衍生物，和（viii）缓蚀剂，（ix）水溶性聚合物极性烯属不饱和单体，和（x）亲水胶体，添加剂以有效抑制或延缓水合物形成的量添加到易于水合物形成的介质中。

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