| 摘要: |
| 川西气田须家河组气藏在开采过程中产生了大量的气田废水,而地层水是气田废水的主
要来源之一,无害化处理难度较大。为了能够更好地处理须家河地层水,针对其高矿化度的水质特点,
通过优选处理剂、优化配方、综合性能评价等方法,对须家河地层水配制不同工作液的可行性进行了分
析。结果 表明,使用须家河地层水配制胍胶压裂液、钻井液难度较大,但可以通过优选抗盐性能较好的
降阻剂来实现对减阻水的配制。新型减阻水在川西地区的现场施工过程中取得了良好的效果,降阻率
可达到65%~71% |
| 关键词: 地层水 胍胶压裂液 减阻水 钻井液 |
| DOI：10.3969/j.issn.1007-3426.2016.04.019 |
| 分类号:TE992 |
| 文献标识码::A |
| 基金项目:国家自然科学基金“高温高压CO2-原油-地层水三相相平衡溶解度规律”(51404037) |
|
| Studyonworkingfluidpreparationwithformationwaterfrom Xujiahegasreservoir |
|
LinFei1,2, OuyangChuanxiang3, LiChunying3, ShengPing4
|
|
1.KeyLaboratoryofDrillingandProductionEngineeringforOilandGas (YangtzeUniversity
Wuhan430100,China;2.CollegeofPetroleum Engineering,YangtzeUniversity,Wuhan430100;3.KeyLaboratoryofDrillingandProductionEngineeringforOilandGas (YangtzeUniversity
Wuhan430100,China.CollegeofPetroleum Engineering,YangtzeUniversity,Wuhan430100;4.PetroChinaXinjiangOilfieldCompany,Karamay834008,China
|
| Abstract: |
| Abstract:TheexploitationofXujiaheformationgasreservoirinWesternSichuanhasgenerateda
largenumberofwaterasby-products,whichismainlyderivedfromthestratum.Itisdifficultto
imposehazard-freetreatmentonthestratumwater.Accordingtoitshighsalinity,methodsincluding
chemicalsandrecipeoptimization,comprehensiveperformanceassessment,etc.,wereadoptedto
explorethefeasibilityofusingtheXujiaheformationwaterinworkingfluidpreparation.Theresults
demonstratedthatitisdifficulttoprepareguargumfracturingfluidanddrillingfluidwithXujiahe
stratum water.However,drag-reducingwatercouldbedevelopedbyselectingappropriatesalinitytolerantresistancereducer.
Thisnewdrag-reducingwaterhasbeensuccessfullyappliedinthefield
practiceofWesternSichuan,andshowedthatthedragreductionratecouldreach65%-71%. |
| Key words: Keywords:stratum water,guargumfracturingfluids,reductionfrictionwater,drillingfluid |
