When underbalanced drilling or drilling easy leaky zone by using aeration fluid, the determination of fluid density and downhole fluid column pressure is very important.
利用气体型流体进行欠平衡钻井，或钻易漏地层时，流体密度及井下液柱压力的确定十分重要。
Drilling gat the Likuyu North Prospect intersected substantial higher grade Uranium mineralisation, the known mineralised zone extends to just 2.6km of the 5km defined radiometric anomaly.
利库尤北的钻探作业已经遇到了大量的高品位铀矿化区域，在确定的5公里辐射异常区域内，已知矿化区延伸至2.6公里。
According to the relation between the temperature and the ratio of the diameter of the defrosting zone to that of the drilling bit, the volume of washing fluid is optimized.
依据不同冲洗液温度时融化区直径与钻头直径比和冲洗液用量的关系，讨论了冲洗液用量的优化。
Structural uncertainty, reservoir's anisotropic and various engineering factors in drilling can influence the success rate of drilling horizontal Wells, especially in new development zone.
构造的不确定性、储集层的非均质性及钻井过程中的各种工程因素，都使水平井的钻井成功率受到影响，新开发区块更是如此。
Through systematic investigation of field geology, drilling records, geophysics and isotope geology, a Permian basite zone in the basin is confirmed.
通过野外地质、钻井地质、地球物理和同位素地质的综合调查研究，确定了盆地内部存在一条三叠纪基性岩带。
We are a Joint Venture company, registered in Shenzhen Special Economic Zone, China, specialized in supplying drilling equipment for both on-land and off-shore oilfield.
我们是一家注册于中国深圳经济特区的专营内陆及海洋油田钻井设备的合资企业。
The formation fracture profile can't be available before drilling in a new exploration zone.
新探区在未钻井时是没有地层破裂压力曲线的。
The paper also presents measures for preventing drilling hole curve, drilling technique in broken zone and fissure zone and technique of sealing hole and pluging loophole.
预防锚孔弯曲的措施；破碎带、裂缝带的钻进技术及封孔固壁堵漏技术。
It has crucial importance in oil and gas exploration to find hydrocarbon zone and to take knowledge of the reservoir physical property in time in drilling process.
在钻井过程中，准确地发现油气层、及时了解储层的物性情况，对油气勘探、开发工作至关重要。
Moreover, the seismic data quality in the complex structure zone is poor, and there isn't any useful signal in some area, which will increase the drilling risks.
而在构造复杂带地震资料往往品质差，甚至无信号，钻井的风险增大。
Aiming at urgent requirement of drilling leakage zone in real time measurement, the development of wireline downhole leak detector has prodigious practice sense.
针对实时测量钻井漏失层位的迫切需要，研制电缆式井下测漏仪具有很大的实际意义。
In the drilling of 19 + 2 gas well project in Iran, comprehensive logging data is re-interpreted to study a set of method for water zone identification.
在伊朗19 +2气井项目钻井过程中，对综合录井资料进行重新的认识和解释，探索出了一套水层识别方法。
Several measures and Suggestions are presented in order to improve development effects in the field, such as making selective zone production, testing water coning and drilling...
提出了实施分层开采、开展压水锥试验和在剩余油饱和度高的部位钻水平井等改善油田开发效果的措施及建议。
UBD with CT can reduce the formation and pay zone damage, enhance the penetration rate, improve safe operation with high efficiency and drop drilling costs.
欠平衡连续油管钻井，可减少钻井过程中对地层和产层的损害，可提高机械钻速，安全高效率钻井，降低钻井成本。
In this paper the authors approach the application of drilling mud to face pre-injection, backwall infilling injcetion, roof fall space infilling injection and split zone infilling injcetion.
本文探讨了泥浆在工作面预注浆、壁后充填注浆、冒空区充填注浆和离层带充填注浆中的应用。
It can be applied to leakage zone during the deep well measurement and the ultra-deep drilling operation.
可用于深井、超深井钻井作业中漏失层位置的测定。
The drilling exploration, grouting and effects showed that the reliability of the proposed Ordovician limestone watery zone and the water flow channel location marked were verified.
钻探、注浆和效果均验证了所圈出的疑似奥灰富水区和导水通道位置的可靠性。
And the height of water flowing fractured zone in overburden strata is calculated by the empirical formula and is measured with a simple hydrological observation method according to drilling on spot.
用经验公式对覆岩导水裂隙带高度进行了计算，采用简易水文观测法对覆岩导水裂隙带高度进行了测定。
And the height of water flowing fractured zone in overburden strata is calculated by the empirical formula and is measured with a simple hydrological observation method according to drilling on spot.
用经验公式对覆岩导水裂隙带高度进行了计算，采用简易水文观测法对覆岩导水裂隙带高度进行了测定。
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