Application of well washing technology without pressure release in high pressure water injection well;
高压注水井不卸压洗井技术的应用
Piston,mixer and pumping were adopted to try to determine proper steps for well washing.
因供水井成井后出水量偏小,分析成井工艺中的各个技术环节,查明导致水井出水量偏小的原因,采用活塞、混合器、泵抽等多种洗井方法,遵循"由小到大,逐步提高出水量"的思路,制定正确的洗井步骤,在确保管井安全的前提下增大了水井出水量,达到了管井设计的出水量。
The presently adopted physico-chemical method of well washing uses empirical estimate for the number of bottles of carbon dioxide used in the implementation of well spurt.
目前采用的物理化学洗井方法,对于实施井喷所用二氧化碳的使用瓶数常采用经验估计,本文从流体力学理论出发,综合探讨井喷中的流体力学特点,从而对井喷高度、速度分布等作出科学预测,推导出洗井深度、井径与二氧化碳使用瓶数的计算公式,实现科学洗井。
The effect of well cleanout sewage upon soil quality and crops;
洗井废水对土壤质量及作物的影响
This paper introduces a technology which is specially used for removing the plug of well bore or near well bore generally existed in low permeability fields, that is, the matching technology of well cleanout and plug removal with low density foam under negative pressure.
介绍了一种针对低渗透油田普遍存在的井筒及近井地带堵塞的处理技术——低密度负压泡沫洗井解堵配套技术，利用低密度泡沫流体在负压条件下冲洗井筒，返排脏物，处理液解除近井地带有机和无机物造成的复合堵塞，研究和完善了相应的泡沫洗井液、油层处理液、泡沫发生器、井下洗井器和施工工艺。
Discusses Shallowly the Change Management of Well Flushingin HSE Management System's
浅谈洗井作业中HSE管理体系的变更管理
Measures to improve perrne- ability reduction are discussed in terms of the drilling method,fluid properties,artificial infiltration layer,and well flushing,etc.
论述了水井井周渗透性降低的原因，从钻井方法、冲洗液性能、建立人工过滤层、洗井等方面探讨了改善渗透性的措施。
Reasonable drilling technique is selected, advanced well flushing methods are proposed and the job is finished with highquality on time.
在施工中，选择合理的钻井工艺，采用简便易行的洗井方法，按期优质地完成了施工任务。
The paper has discussed the effect to well water quantity using flushing fluid and different kinds of well drilling,it has studied the advanced and shortcoming of chemical fluid and piston washing well.
通过不同化学冲洗液及不同洗井方法对井涌水量及含水层渗透系数的影响的试验对比 ,探讨了化学试剂洗孔及活塞洗井的优缺
In order to solve this problem, the Gas Lift method is brought according to the relation between bottom hole differential pressure and the efficency of well cleanup.
而正常洗井效果不好,达不到解除油层污染的目的,从而导致欠注井不能及时得到治理,使油田开发效果逐渐变差,为缓解这一矛盾,根据井底压差与洗井质量的关系,利用气举方式,增大地层向井底流动的压差,使污染地层的脏物在较高压差下从地层中清洗出来。
CBI+well washing every 45 days in 22 wells (groupⅢ);
第三类22口井注菌液并热水洗井,洗井周期45天;
Development of the JHX5280TJC well-flushing truck
JHX5280TJC型高压洗井车的研制
Numerical simulation of sand washing with high pressure waterjet in horizontal well
水平井段高压水射流冲砂洗井数值模拟研究
Application of Acid Well Flushing in 2 Wells of Niutuo Geothermal Field in Hebei
酸化洗井在河北牛驼镇地热田两口井中的应用
drilling-in unit
洗井和钻油层用的小钻机
Improvement of Anti-corrosion Technology of JHX5230TJC Type Well Flushing Car
JHX5230TJC型洗井车防腐技术的改进
Improvement and application of the JHX5252TJC well-flushing vehicle
JHX5252TJC型洗井车的改造及应用
Rresearch on principle and application of miscible fluid dlushing technology in low permeability oil reservoirs
混相液洗井工艺在低渗透油田的应用
A model of nonartesian-artesian pumping well and new techniques of "water dam" hole-well cleaning are put forward.
提出了无压－承压井抽水模式和“拦水坝”式冲孔洗井等新工艺。
Numerical Simulation and Application of Foam Fluid on Sand-flushing;
泡沫流体冲砂洗井数值模拟研究及应用
Discusses Shallowly the Change Management of Well Flushingin HSE Management System's
浅谈洗井作业中HSE管理体系的变更管理
A Method for the Evaluation of a Prepad Flushing Fluid for Cementing
一种固井前置冲洗液冲洗效率的评价方法
Containers should not be cleaned near wells.
不得在附近的水井里清洗容器。
He'd end up an exile washing dishes at the automat.
到头来他会背井离乡，在自助食堂里洗碗碟。
FLUSHING LIQUID WITHOUT CLAY AND DRILLING FLUID ADDITIVE MADE FROM ELM BARK
用榆树皮制无固相冲洗液和钻井液添加剂
UNDERSTANDING OF RESERVOIR WATER-FLUSHED CONDITION BYSEALED CORE DRILLING OBSERVATION WELL
密闭取心检查井对油层水洗状况的认识
The Party s Renovating on Jinggang Mountains--the First Seldom-known Rectification Movement in CCP s History;
井冈山“洗党”——党史上鲜为人知的第一次整党运动
Discuss on Safety Issues during High-pressure Water Jet Cleaning Scaling Pipeline Production
高压水射流清洗油井结垢管安全生产问题讨论