rock gas

The existence of vast area of tight sand rock, low permeability of sand rock and plenteous gas supply are all favorable conditions for the formation of deep basin gas traps.

大面积致密砂岩的存在、砂岩的低渗透性以及充足的天然气供应都是形成深盆气藏的有利条件。

The T_ ( 3) x gas reservoirs in the depression of West Sichuan is the deep continental tight clastic rock gas reservoirs with the characteristics of tight, low permeability, thin interbed, multi-layer nappe, and high heterogeneity.

川西坳陷须家河组气藏属于深层陆相致密碎屑岩气藏，具有致密、低孔低渗、薄层交互、多层叠置和非均质性强的特点，长期以来，勘探成功率低、效益差。

Mount Unzen has been spewing out volcanic ash, gas, and rock today...

云仙山今天一直在向外喷涌火山灰、气体和火山岩。

Drilling& Completion Fluid Technology for Developing Tight Detrital Rock Gas Reservoir in

开发川西致密碎屑岩气藏的钻井完井液技术

Study on Gas Extracting Technology of Gas Destressing and Gas Storage from Fractures in Surrounding Rock of Roof and Floor of the First-mined Seams

首采煤层顶底板围岩裂隙内瓦斯储集及卸压瓦斯抽采技术研究

The rock mass structure can be expressed by rock stratum effect thickness influence coefficient. It is more scientific then using roof rock and sand content in the study of coal seam gas preservation.

研究表明，煤层围岩岩体结构控制了煤层瓦斯的赋存，岩体结构可用岩层效应厚度影响系数来表示，应用这一参数研究煤层瓦斯赋存比用煤层顶板岩性及含砂率更科学。

Study on Abandoned Stratum Pressure of Volcanic Rock Gas Pool in Shengping Gas Field

升平气田火山岩气藏废弃地层压力研究

Mount Unzen has been spewing out volcanic ash, gas, and rock today.

云仙山今天一直在向外喷涌火山灰、气体和火山岩。

Soil& Rock Drilling and Excavation Industry should Participate in Construction of Eastern Transfer of Western Gas Project

岩土钻掘工程界要参与西气东输工程建设

Mount Unzen has been spewing out volcanic ash, gas, and rock today

云仙山今天一直在向外喷涌火山灰、气体和火山岩。

Therefore, development in-depth volcanic rock gas pool reservoir transfusion characteristic and development technology countermeasure research, already has become one of mid-production most urgently needed technical problems, regarding instruction next volcanic rock gas pool development watershed.

因此，开展深层火山岩气藏储层渗流特征及开发技术对策研究，已经成为开发生产中最急需解决的技术问题之一，对于指导今后的火山岩气藏开发意义重大。

Rock fissure belongs to a lower tectonic level in the rock mass and controls the stability of the rock mass. Meanwhile, it is related to flow and transportation of underground fluid, storage of oil gas and so on.

岩石裂隙属于岩体中较低的构造层次，同样控制着岩体工程的稳定性，与地下流体的流动和运移、油气的储藏等也息息相关，因此对岩石裂隙的研究具有重大的意义。

The area is long-term development of paleo-uplift where is the point of North and South sub-depression oil and gas long-term migration to. Because of frequently volcanic activity at rift period this area is advantageous to searching for volcanic rock Gas pool.

该区为长期发育的古隆起，是南、北次洼油气长期运移的指向区，断陷期火山活动频繁，是寻找特殊储层火山岩气藏的有利场所。

The effective pores are filled with oil, gas and water ( movable and irreducible water). And the irreducible water is the detained water of film on water wetting rock hole walls and at the corner.

有效孔隙中充满油、气和水，水又分为可动水与束缚水，束缚水为亲水岩石孔壁及孔角上的薄膜滞留水。

Methane is inflammable explosion hazard gas as the basis of mash gas, firedamp and rock gas.

甲烷作为瓦斯、天然气 、 沼气等的主要成分,是易燃易爆气体.