compacted rock

Anisotropy comparison of P wave and S wave velocity for compacted rocks;

致密岩石纵横波波速各向异性的比较研究

The most difficult problem of drilling in hard and compact rocks is that drilling efficiency is very low.

针对坚硬致密岩石钻进中遇到的钻头打滑、钻进效率低的问题,通过改变弱包镶材料,加入强化的石墨颗粒,进行试验与研究,获得了颗粒状石墨能提高金刚石出刃的初步效果。

At the same time,the general features and special advantages of logging curves are introduced,special study on the determination of compact calcareous rocks and their thickness,as well as the display forms of these rocks on logging curves have been studied in detail.

本文阐述了在地质找矿中从地质角度对综合测井曲线解释的重要性 ;指出了测井曲线的一般特点和特殊优点 ;尤其对致密钙质岩石在测井曲线上的表现形式及其厚度确定做了深入研究 ;分析了测井曲线解释存在的问题 ;最后提出了几点建议。

Analysis on main controlling factors of physical property of tight sandstone reservoir;

川中—川南过渡带致密砂岩储层物性主控因素分析

Application of temporary and shielding plugging technology to improve well logging responses for tight sandstone gas reservoir;

应用屏蔽暂堵技术提高致密砂岩气层测井识别能力

Current status and prospect of key techniques for exploration and production of tight sandstone gas reservoirs in China;

中国致密砂岩气藏勘探开发关键工程技术现状与展望

Four different methods,including support vector machine(SVM),artificial neural network(ANN),multiple regression analysis(MRA) and parameter product decision(PPD),were applied to the gassiness evaluation of forty gas-bearing layers in the tight sandstones of Tabamiao Area in Ordos Basin.

将支持向量机、人工神经网络、多元回归分析及参数乘积判别法4种算法分别应用于鄂尔多斯盆地塔巴庙地区40个致密砂岩储层的含气性评价,其预测结果与试气结果的平均相对误差绝对值分别为:0,4。

Xujiahe Formation in the south of west Sichuan is composed of tight sandstones with unconventional extra-low porosity and permeability.

川西地区南部须家河组储层,属于非常规特低孔低渗致密砂岩。

Evaluation of Fracturing Effect on Compact Sandstone Gas Reservoir in Middle Depression of West SiChuan Basin;

川西坳陷中段致密砂岩气藏压裂效果评价

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

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

The Neural Networks Method Model May Study Application in Nature Intensively in Compact Sandstone;

基于神经网络方法在致密砂岩可钻性中的建模

Recovering Technique with Booster for Late Exploitation of West Sichuan Compact Sandstone Gas Field;

川西致密砂岩气田开发后期增压开采技术

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

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

Aqueous Trapping Damage Models for Fracture-pore Tight Sandstone Gas Reservoirs

裂缝—孔隙型致密砂岩气藏水相圈闭损害模式

DISCUSSION ON TIGHT SANDSTONE GAS RESERVOIR DEVELOPMENT BY GAS DRILLING

气体钻井应用于致密砂岩气藏开发的思索

Gas-bearing prediction on tight sandstone gas reservoirs of Xujiahe formation in south Sichuan basin

蜀南地区须家河组致密砂岩含气性综合预测

NEW FIELD EVALUATION CRITERION AND METHOD FOR TIGHT SANDSTONE GAS RESERVOIRS IN WEST SICHUAN

川西致密砂岩气藏新的矿场评价标准和评价方法

A Method for Extracting Log Characteristic Parameters and Evaluation Tenique of Tight Sandstone Gas Reservoir;

致密砂岩气层测井特征参数提取方法研究及识别评价技术

Study on the Formation Damage Mechanisms and Protective Techniques of Tight Sandstone Gas Reservoirs in the Center of Sichu an Basin;

川中地区致密砂岩气藏损害机理及保护技术研究

A Research on Tight Sandstone Reservoir Heterogeneity of He 2-3 Member of Lower Shihezi Formation in Tabamiao Block;

塔巴庙区块下石盒子组盒二、盒三段致密砂岩储层非均质性研究

The Characteristic of P_(1s2) Reservoir and Deliverability Study of South of Yulin Gas Field in Ordos Basin;

鄂尔多斯盆地榆林南山_2段致密砂岩储层与产能特征研究

Analysis on factors inducing abnormal high fracture pressure of deep tight sandstone gas reservoir

深层致密砂岩气藏高异常破裂压力影响因素分析

Research on calculation of effective stress in low-permeability sandstone rock under cyclic loading and unloading

变围压循环下低渗透致密砂岩有效应力方程研究

Study on Application of Oriented Perforating in Improving Fracturing in Tight Sandstone Gas Reservoirs

提高致密砂岩气藏压裂效果的定向射孔技术应用研究