1) preventing leak-off and spill-out
充(氮)气钻井液
2) drilling by filling nitrogen
充氮气钻井
3) Nitrogen aeration
钻井液充氮气技术
4) aerated drilling fluid
充气钻井液
1.
Study on NW solids free aerated drilling fluid for under-balanced drilling;
欠平衡钻井NW无固相充气钻井液的研究
2.
A double-wall drill tool has been developed to solve problems arising in the process of controlling the wellbore trajectory using conventional downhole mud motor and MWD in under-balanced drilling with aerated drilling fluid.
为解决在充气钻井液欠平衡压力钻井时,使用常规井下动力钻具和随钻测量仪器进行井眼轨迹控制中遇到的技术难题,研制了双壁钻具。
3.
Therefore, using aerated drilling fluids and under balanced drilling techniques can not only meet with the geologic requirements but also ensure the normal drilling.
为此 ,采用充气 (氮气 )钻井液欠平衡钻井技术 ,满足了地质要求 ,保证了正常钻进 ,这是国内首次成功采用充气钻井液欠平衡压力钻井技术解决严重井漏的井例。
5) aerated foam drilling fluid
新型充气钻井液
1.
New aerated foam drilling fluid, using a special plant fiber named KWS as fluid material, not only has the characteristics of low density, high ability of removing cuttings and lower use of water, but also has the perforation of rejecting of the Na~+ s and Ca~(2+) s affection.
利用特殊植物纤维KW S作为泥浆处理剂的新型充气钻井液,不仅具有常规充气钻井液低密度、排粉能力强、节约用水等优点,还可以不受钠、钙离子的影响,提高钻井泡沫稳定性和钻井液抗盐能力。
6) aerated drilling
充气钻井
1.
Calculation of optimal gas-liquid volume flow in aerated drilling
充气钻井气液体积流量计算
2.
In order to tackle the difficulties like hole inclination in cretaceous nappe, light weight on bit as well as slow penetration, and the issue of increasing velocity of the Tertiary in Qinxi oilfield, aerated drilling testing was conducted in the nappe of well Ku 12 and in the Tertiary formation in well Q2-37.
为解决青西油田巨厚白垩系推覆体易井斜、钻压轻、机速慢的难点和第三系的提速问题,在窿12井的推覆体和Q2-37井的第三系地层实施了充气钻井技术试验。
3.
Based on the theory of gas-liquid two-phase flow,the wellbore pressure distribution problems were analyzed in the aerated drilling.
以气液两相流理论为基础,分析了充气钻井的井筒压力分布问题。
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。
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条