CN104946221B - 一种低密度低伤害压井液 - Google Patents
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/516—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls characterised by their form or by the form of their components, e.g. encapsulated material
- C09K8/518—Foams
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/02—Well-drilling compositions
- C09K8/38—Gaseous or foamed well-drilling compositions
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Degasification And Air Bubble Elimination (AREA)
Abstract
Description
序号 | ρ(g/cm3) | PV(mPa.s) | YP(Pa) | 稳定时间(h) |
实施例1 | 0.62 | 17 | 13.5 | >72 |
实施例3 | 0.64 | 14 | 18 | >72 |
实施例5 | 0.65 | 15 | 13 | 32 |
编号 | 温度 | ρ(g/cm3) | PV(mPa.s) | YP(Pa) | 稳定时间(h) |
实施例1 | 70℃静置16h | 0.54 | 7 | 5 | >36 |
实施例3 | 70℃静置16h | 0.68 | 23 | 18 | >36 |
编号 | ρ(g/cm3) | PV(mPa.s) | YP(Pa) | 稳定时间(h) |
实施例1 | 0.67 | 18 | 15.5 | >24 |
实施例3 | 0.73 | 26 | 21 | >24 |
实施例3 | 发泡体积(ml) | 半衰期(min) |
国内某气田配液水 | 416 | 197.8 |
国内某气田地层水 | 398 | 156.7 |
配液水+1%煤油 | 349 | 145.1 |
配液水+3%煤油 | 180 | <120 |
Claims (5)
Priority Applications (1)
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CN201510306779.4A CN104946221B (zh) | 2015-06-08 | 2015-06-08 | 一种低密度低伤害压井液 |
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CN201510306779.4A CN104946221B (zh) | 2015-06-08 | 2015-06-08 | 一种低密度低伤害压井液 |
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CN104946221A CN104946221A (zh) | 2015-09-30 |
CN104946221B true CN104946221B (zh) | 2018-03-20 |
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Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106281265A (zh) * | 2016-07-20 | 2017-01-04 | 中石化石油工程技术服务有限公司 | 一种适用于低压易漏地层的超低密度堵漏剂及制备方法 |
CN106566489B (zh) * | 2016-10-19 | 2020-09-22 | 中国石油化工股份有限公司 | 一种高酸性气藏水基微泡压井液 |
CN106928945A (zh) * | 2017-03-13 | 2017-07-07 | 西南石油大学 | 一种自生泡沫压井液及其制备方法以及自生泡沫组合物 |
CN108359418A (zh) * | 2017-04-21 | 2018-08-03 | 克拉玛依市广海环境治理有限责任公司 | 油田油水井修井用无固相弱凝胶压井液 |
CN109749728A (zh) * | 2017-11-06 | 2019-05-14 | 中国石油化工股份有限公司华北油气分公司石油工程技术研究院 | 一种压裂用起泡助排剂及其制备方法 |
CN108559469A (zh) * | 2018-05-21 | 2018-09-21 | 北京力会澜博能源技术有限公司封堵流体科技研发分公司 | 一种天然气井绒囊压井液不降压压井工艺 |
CN108795401A (zh) * | 2018-05-21 | 2018-11-13 | 北京力会澜博能源技术有限公司 | 天然气井绒囊压井液用囊胆剂 |
CN108913108B (zh) * | 2018-09-14 | 2020-11-03 | 前郭县正泰化工有限公司 | 一种压井液、其组合物及其制备工艺 |
CN110984907A (zh) * | 2019-12-23 | 2020-04-10 | 南智(重庆)能源技术有限公司 | 基于低渗漏暂堵工艺的修井方法 |
CN113174243B (zh) * | 2021-05-07 | 2022-07-01 | 河北峻极化工科技有限公司 | 用于改善砂岩储层层间矛盾的自选择分流解堵体系及其应用方法 |
CN113308230A (zh) * | 2021-06-15 | 2021-08-27 | 克拉玛依市红都有限责任公司 | 一种暂堵型低游离水压井液及其制备方法 |
CN114198065B (zh) * | 2021-08-24 | 2024-05-24 | 中国石油天然气集团有限公司 | 海域天然气水合物储层用防漏剂及防漏剂中防漏材料用量确定方法 |
CN115717062B (zh) * | 2022-11-15 | 2023-10-20 | 中国石油天然气集团有限公司 | 一种降低低压气井修井漏失用低密度泡沫修井液及其应用 |
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US4224989A (en) * | 1978-10-30 | 1980-09-30 | Mobil Oil Corporation | Method of dynamically killing a well blowout |
EP0695795A1 (en) * | 1994-08-04 | 1996-02-07 | Sofitech N.V. | Foamed drilling fluids, their process for preparation and the corresponding drilling method |
CN101244372A (zh) * | 2007-06-28 | 2008-08-20 | 中国地质大学(北京) | 发泡剂及可循环微泡钻井液及钻井工艺方法 |
CN103965848A (zh) * | 2014-04-29 | 2014-08-06 | 中国石油大学(华东) | 一种复合调剖剂及其制备方法 |
CN104232033A (zh) * | 2014-09-15 | 2014-12-24 | 北京博达石科科技开发有限公司 | 一种多功能型抗高温复合压井液及其制备方法与用途 |
-
2015
- 2015-06-08 CN CN201510306779.4A patent/CN104946221B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4224989A (en) * | 1978-10-30 | 1980-09-30 | Mobil Oil Corporation | Method of dynamically killing a well blowout |
EP0695795A1 (en) * | 1994-08-04 | 1996-02-07 | Sofitech N.V. | Foamed drilling fluids, their process for preparation and the corresponding drilling method |
CN101244372A (zh) * | 2007-06-28 | 2008-08-20 | 中国地质大学(北京) | 发泡剂及可循环微泡钻井液及钻井工艺方法 |
CN103965848A (zh) * | 2014-04-29 | 2014-08-06 | 中国石油大学(华东) | 一种复合调剖剂及其制备方法 |
CN104232033A (zh) * | 2014-09-15 | 2014-12-24 | 北京博达石科科技开发有限公司 | 一种多功能型抗高温复合压井液及其制备方法与用途 |
Non-Patent Citations (2)
Title |
---|
低密度微泡沫压井液的研究与应用;李八一 等;《钻井液与完井液》;20060731;第23卷(第4期);第39页摘要、表1和第39-40页第2.1节第1-3段 * |
防漏型压井液研究与应用;郭元庆 等;《石油钻采工艺》;20050630;第27卷;第30-34页 * |
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