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1)  MEG drilling fluid
MEG钻井液
1.
The formulation was optimized by taking the lubrication and inhibition of MEG drilling fluid as key evaluation criteria and the optimum formulation was then tested.
从研究MEG单体的作用机理入手,以钻井液润滑性、抑制防塌性为主要评价指标,对MEG钻井液配方进行了优选,并对优选配方钻井液性能进行了评价。
2.
MEG drilling fluid is a semi-membranceous water-base fluid and has good inhibition in shale,and it has the characteristics of biological degradation and environmental protection.
MEG钻井液是一种具有半透膜作用的水基钻井液,对页岩具有较好抑制作用。
3.
MEG drilling fluid has inhibitive capacity and lubricity that are comparable to oil base drilling fluid,and is thus widely used in horizontal well,directional well,as well as troublesome well drilling.
由于MEG钻井液具有与油基钻井液接近的抑制性能和润滑性能,在国外广泛应用于水平井、定向井及钻探复杂井、高难度井中。
2)  drilling fluid design system
钻井液钻
3)  drilling fluid drilling
钻井液钻井
1.
Applying finite element method,the dynamic characteristics of drill string with cone bit in straight hole were simulated,and the whirl,deformation and the dynamic stress in air drilling were compared with the ones in drilling fluid drilling.
应用有限元方法,仿真了空气钻井时斜直井眼中带牙轮钻头钻柱的动力学特性,比较了空气钻井和钻井液钻井条件下钻柱的涡动、变形以及动态应力状况,探讨了空气钻井钻柱失效的动力学机理。
4)  spud drilling fluid
开钻钻井液
5)  Drilling and completion fluids
钻井完井液
1.
Design and lab evaluation of ideal packing bridging drilling and completion fluids;
理想充填暂堵型钻井完井液的设计及室内评价
2.
Preparation of drilling and completion fluids used for preventing the formation from damage of the high-pressure and low-permeability sandstone reservoirs;
保护高压低渗致密油气藏的钻井完井液体系的配制与应用
3.
Owing to the water phase trap damage caused by drilling and completion fluids invasion, the logging data do not reflect the real characteristic of gas reservoirs, which results in weak or no well log response and response and gas formation miss.
致密砂岩气层低孔低渗、低初始水饱和度和裂缝发育等特征使其极易受到钻井完井液损害。
6)  drilling and completion fluid
钻井完井液
1.
Design and application of drilling and completion fluid system for formation protection in the key blocks of Dagang Oilfield;
大港油田重点区块保护油层钻井完井液体系设计与应用
2.
But in fact, wide distribution of average radius of pore throat which ane in reservoir make the changed drilling and completion fluid have good shield temporary blocking effect on only a few well .
在钻井过程中为了达到保护储层的目的,通常根据储层的平均孔喉半径,在上部钻井液中加入合适粒经的暂堵剂,再配合胶体填充粒子等,将上部钻井液改造为完井液;但往往在实际井中,储层孔喉半径分布范围较宽,导致经改造后的钻井完井液仅对某井段具有较好的屏蔽暂堵效果,而对另外的井段则不能起到较好的保护储层作用。
3.
Only with clear knowledge of reservoir characteristics, potential damage factors, sensitivity and the damaging mechanisms of drilling and completion fluids, can compatible and reasonable drilling and completion fluid technology be worked out.
油气层保护技术有很强的针对性,只有弄清储层特征、潜在损害因素、敏感性和钻井完井液损害机理,才能提出与储层相匹配的、合理的保护油气层的钻井完井液技术措施。
补充资料:饱和盐水钻井液
分子式:
CAS号:

性质: 一种水基钻井液,氯化钠在其中的浓度达到了饱和程度,即一般情况下氯离子浓度约为189000mg/L。

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