1.
Development and Application of Wire-line Coring Bit for Hard and Compact Rock Formation
坚硬致密岩层用绳索取心钻头的研制与应用
2.
Study on Electroplated Diamond Bit for Extra-hard, Compact and Weak-abrasiveness Formation;
坚硬致密弱研磨性岩层电镀金刚石钻头研究
3.
A very hard, dense, even - textured, silica - bearing sedimentary rock used in whetstones.
均密石英岩非常坚硬，致密，结构均匀，含硅的沉积岩，用作磨石
4.
compact coating
致密涂层,坚固涂层
5.
Application of SYZX75 Wire-line Coring Hydro-hammer in Hard Compact "Skid" Formation
SYZX75型绳索取心液动锤在坚硬致密“打滑”地层的应用
6.
they found a bed of standstone.
这一地层的岩石非常坚硬。
7.
It may be gouge of finely comminuted rock material with perhaps large blocks of the harder rocks embedded in it.
可能是磨碎的岩层物质组成的断层流，并夹杂一些大块坚硬岩石。
8.
The Prediction of Fractured Gas Reservoirs of Tight Clastic Rock;
致密碎屑岩气藏裂缝性储层预测方法
9.
If there had not been a hard layer of rock beneath the soil,
如果不是因为土壤下面有一层坚硬的岩石，
10.
hard rock coring tool
坚硬岩石井壁取心器
11.
Shanxi formation reservoir does not grow, the rock compact, the shale content is high.
山西组储层不发育,岩石致密,泥质含量较高。
12.
Research on Seismic Prediction and Evaluation for the Fracture in the Compact Clastic Rock Reservoir;
致密碎屑岩储层裂缝地震预测与评价方法研究
13.
Evaluation on Feature of T_3x～2 Compact Sandstone Reservoir of Yazihe Structure in West Sichuan Downwarp;
川西坳陷鸭子河须二段致密砂岩储层特征评价
14.
The Study of Mechnisms of Aqeous Phase Trapping and Its Applications in Tight Sands Gas Reserviors;
致密砂岩气层水相圈闭损害机理及应用研究
15.
Study on Seismic Detection Method of Fracture-cave Contained in Compact Carbonate Reservoir;
致密碳酸盐岩缝洞储层地震检测方法研究
16.
Study on Reservoir Characterization of Density Sandstone in Hanqu-dongrengou Area
韩渠—东仁沟地区致密砂岩储层油藏描述研究
17.
APPLICATION OF ACOUSTIC LOGGING IN IDENTIFYING TIGHT SANDSTONE FRACTURED RESERVOIRS
声波测井识别致密砂岩裂缝储层的应用
18.
On Production Forecast Method for Compact Clastic Reservoir in Baise Basin
百色盆地致密碎屑岩储层产量预测研究