The kill fluids tend to leak and contaminate the formation in the low pressure wells while workover.
随着油气井开发进入中后期,地层压力下降,在低压油井的修井作业中压井液常常漏失污染储层。
This article introduces a novel low formation damage kill fluid LW.
采用粉状HPAM为增粘剂,以三价有机铬离子为交联剂,研制了一种新型低伤害LW压井液,该压井液运用弱交联原理配制而成,考查了LW压井液的腐蚀性、滤失量和抑制性。
A novel low formation damage preformed gel kill fluid was prepared with partially hydrolyzed polyacry-lamide(HPAM) ,crosslinker C -2,corrosion inhibitor CT2 - 15 and clay stabilizer WD - 1 as raw material, and its performances were evaluated.
以部分水解聚丙烯酰胺(HPAM)、交联剂C-2、缓蚀剂CT2-15、粘土稳定剂WD-1 等为原料,研制了一种低伤害预凝胶型压井液,并对其性能进行了评价。
Through the research on blocking removing technique with low damage for oil wells, many problems, which have obsessed oilfield for a long time, such as how to reduce and avoid the damage of killing fluids, effectively eliminate the damage; and avoid the secondary damage of killing fluids after acidization are discussed.
针对油井低伤害解堵技术的研究,探讨了如何减少和避免压井液伤害,有效解除此类伤害,避免酸化解堵措施后,再次压井造成的二次伤害等长期困扰油田生产的问题。
The quality Of killing fluid and well - flushing fluid will have effect on output and producing time of oil/gas well.
洗井液和压井液质量的优劣会给油气井的产量和开采时间带来一定影响。
When there isn t circulating passage for killing fluid in pipe string of well, method to squeeze well is usually used to killing well.
当井内管柱无压井液循环通道时,常用的压井方法就是挤压井。
A well control fluid(WCF) without free water was prepared for use in Turpan-Hami oil fields at middle-late stages of development,where the well bottom pressure at most reservoirs was low.
已进入开发中后期的吐哈油田大部分区块井底压力低,为此开发了无自由水压井液。
Movement mechanism experiment of top control fluid in compound perforation;
复合射孔上部压井液运动机理试验
Movement mechanism of control fluid in propellant perforation under the action of downhole high-pressure gas
不同体积高压气体对复合射孔压井液运动的影响
In the theoretical model research on complex perforation,domestic and international oil companies and relevant research institutions mainly place their concentration on deflagrate mechanism,fracturing mechanism of rock and formulation of the crack,however,the research on effect of surplus high energy gas and water hammer of control fluid is inadequate.
针对目前在复合射孔理论模型的研究中,国内外各石油公司及相关研究机构主要集中在火药的爆燃机理、岩石的压裂机理和裂缝的生成方面,但对于压裂火药燃烧结束后剩余高能气体及上部压井液体的水击压力对地层的作用研究较少的问题,研究了复合射孔过程中压裂火药爆燃结束后压井液及爆生气体对地层的作用特性,推导了高能气体作用下的压井液体的运动微分方程,提出了一个火药爆燃结束后井底压力的计算方法,分别对复合射孔作业过程中产生的井底压力变化、压井液体的水击作用、对地层的脉冲作用等几个方面的问题进行了较为全面的研究。
The completion and control liquids containing formate were evaluated in viscosity,control of water loss,suspension stability,compatibility with water in formation and damage to formation.
介绍了甲酸盐完井压井液体系组成及各组分作用,并以此筛选出最佳甲酸盐完井压井液配方体系,即基液(甲酸盐类)+增粘降失水剂(XC聚合物)+暂堵剂(水溶性甲酸盐或酸溶性碳酸钙粉末)+缓蚀剂(NaOH和BIA)+阻垢剂(JCI-1)+助排剂(OP-10);通过调整各组分用量,可研制不同密度的甲酸盐完井压井液体系。
Preparation of Low Filtrate Loss Well Killing Fluid for Use in Honggang Gas Field
吉林红岗区块低滤失气井压井液研制
Development and Evaluation of Completion and Control Fluid Containing Formate
甲酸盐完井压井液体系的研制及性能评价
STUDIES ON THE OIL BASIC LIQUID FOR KILLING WELLS WITH LOW HARM AND ITS APPLICATION
“低伤害油基压井液”的研制与应用前景
STUDY ON MECHANISM OF GAS AND LIQUID INTERACTION IN COMPLEX PERFORATION
复合射孔压井液运动及影响作用研究
hydraulic wall scraper
液压井壁泥饼清除器
hydraulic expansion wall scraper
液压扩张的井壁刮刀
Drilling Fluid Technology for MPD in Moderate and Deep Well in Binhai Oilfield.DFCF,
滨海油田中深层控压钻井钻井液技术
long-stroke hydraulic snubbing unit
长行程液压不压井起下作业装置
Improvement and Application of Hydraulic Jar for High Pressure and Super Deep Wells
高压、超深井液压震击器的改进及应用
Project Study for Test Equipment of Hydraulic Pump and Hydraulic Motor of Well Cementing Truck
固井水泥车用液压泵及液压马达试验系统方案
Rheological Properties of Water-Based Drilling Fluids in Ultra-Deep Wells at High Temperature and High Pressure
超深井水基钻井液高温高压流变性试验研究
HIGH TEMPERATURE HIGH PRESSURE ULTRA-DEEP WELL DRILLING FLUID DENSITY DESIGN METHOD
高温高压超深井钻井液密度设计方法探讨
Application of Hydraulic Pressure System of Umbrella Drill to the Construction of Shaft in Hard Rock
液压伞钻在立井硬岩段施工中的应用
Design of the hydraulic system of the logging truck
测井绞车液压传动系统的设计和创新
Application of Situation Control Theory in Hydraulic System of Logging Truck
位式控制在测井车液压系统中的应用
Application and Improvement of a Hydraulic Downhole Pulling Tool
井下液压增力打捞工具的应用及改进
Design on Underground Host Computer of Electro and Hydraulic Control System for Hydraulic Powered Supports in Fully Mechanized Coal Mining Face
综采面液压支架电液控制系统井下主机的设计
Discussion of Examination Method for Fire Resistance Quality of Fire-retardant Hydraulic Fluid for Underground Mine
煤矿井下难燃液压液抗燃性能检测方法讨论