Coal measure strata

Application of mud logging techniques in coal measure strata evaluation

录井技术在煤系地层评价中的应用

Coal Measure Strata Hosting Features and Coal Looking Orientation in Hebei Province

河北省煤系地层赋存特征及找煤方向

Study on Slip Band of Carbon Mudstone Landslide in Coal Measure Strata

煤系地层中炭质泥岩滑带土的初步研究

The Origin Mechanism and Distribution Regularity of Karst Collapse in Coal Measure Strata

煤系地层陷落柱成因机理与分布规律研究

High Abundance Diterpenoids and Their Geological Significance in Coal Measure Strata , Liaohe Basin

辽河盆地煤系地层中特高含量的二萜类及其地质意义

The acidic fluid medium environment was the key factor controlling the formation of clay minerals in coal measure strata .

煤系地层中酸性流体介质环境下的水岩相互作用对粘土矿物的产生起关键作用。焉耆盆地粘土矿物的大量存在加剧了此类储层的低渗透性；

While , down plate mainly contains low maturity nature gas and condensate oil which from coal measure strata of the TA group .

下盘主要为TA组煤系地层形成的低熟天然气与凝析油。

And Darcy flow production equation with gas-bearing volume may reflect the characteristics of methane migration in coal measure strata more really .

把含气量引入达西流产量公式也许能更真实地反映甲烷气体在煤储层中流动产出的特征。

The study on the characteristics of karst collapse in coal measure strata is helpful to improve the benefit of coalbed methane exploration .

研究煤系地层陷落柱特征，有助于提高煤层气的勘探效益。

Coal Measure Strata in Qinshui Basin are rich in natural gas resources which provide material foundation for forming medium-large gas pools .

沁水盆地煤系地层丰富的天然气资源为其提供了形成大中型气藏的物质基础。

Through such a study it is thought that the natural gas in the reservoir mainly came from the coal measure strata of the Fuxin Formation .

通过研究认为，气藏气体主要来自阜新组煤层。

The coal measure strata in Palaeozoic Erathem was well developed and it possesses reservoir forming conditions for coal-derived gas pool .

济阳坳陷古生界煤系地层发育，具备形成煤成气藏的条件。

Considered the characteristics of coal measure strata . The author select BQ classification as a basis for the samples of classification of surrounding rock .

作者结合两淮地区煤系地层特点，选取BQ分类方法作为围岩分类样本空间依据。

And ⑥ relatively high mercury vapor content ( 43 000 ~ 45 000 ng / m 3 ) in the gas from coal measure strata .

源于煤系地层的天然气汞蒸气含量较高，达43000～45000ng／m3。

The Carboniferous-Permian coal measure strata in Dongpu sag is a fair source rock unit of Wenliu gas pool due to its stable distribution and high organic content .

东濮凹陷文留地区石炭-二叠纪煤系分布稳定、含有机质丰富，是文留气藏可靠的气源岩。

In order to obtain seismic information under coal measure strata , tradeoff between the effects of multiple suppression and stacking of primary waves is necessary to achieve proper acquisition parameters .

为了获得煤系地层下方岩层反射波的信息，必须在多次反射波压制效果与一次反射波叠加效果之间折衷地选择合适的采集参数。

The total amount of remained gas in the middle and the lower Jurassic coal measure strata is 5.63 × 10 12 m 3 and 13.12 × 10 12 m 3 , respectively .

台北凹陷中、下侏罗统煤层残留气量分别为5.63×1012m3和13.12×1012m3，在该区适合开展煤层气勘探。

The results show that main mechanisms of gas retained in coal measure strata include dissolution in formation water , free phase , dissolution in oil and diffusion , with the last two being the most important .

模拟结果表明，煤中残留的气主要以水溶、油溶、游离和吸附4种相态存在，其中油溶相和吸附相起决定作用。

In Huaibei mining area , most coal measure strata are covered with extremely thick loose strata , at the bottom of which the fourth aquifer threatens the safety of coal mining .

两淮地区的大多煤系地层都被巨厚松散层所覆盖，其底部的第四含水层直接覆于煤系地层之上，威胁煤矿安全生产。

With the further exploration and development in Daqing , coal measure strata and coal formed oil are found in Songliao Basin , Hailaer Basin , Jixi Basin and Tangyuan Rift .

随着大庆勘探开发的进一步深入，在松辽盆地、海拉尔盆地、鸡西盆地、汤原断陷均发现有煤系地层分布及煤成油。

The Upper Paleozoic Carboniferous-Permian source rocks are mainly coal measure strata , with thickness in the range of 150 ~ 500m , low to medium organic matter abundance , and type ⅲ kerogen .

上古生界石炭&二叠系烃源岩主要为煤系地层，厚度为150~500m，有机质丰度属于低-中等，有机质类型为Ⅲ型。

Qinshui basin experienced a large uplift-cooling event from Oligocene to Miocene , as a result , the formation temperature decreased and the hydrocarbon generating process in the Permo-Carboniferous coal measure strata ceased .

新生代渐新世&中新世发生大规模抬升冷却，地层温度降低，石炭-二叠纪煤系地层生烃过程停止。

In South China , nine sets of coal measure strata have been found , but the exploration and development of them mainly lie in the Longtan formation of Upper Permian and the Anyuan formation of Upper Triassic .

中国南方共发育9套煤系地层，煤层气勘探开发主要层系为上二叠统龙潭组和上三叠统安源组。评价的形成性问题；

The Upper Paleozoic in E ′ erduosi Basin is of the geological conditions of forming the deep basin gas because of its tight rocks and gentle structure and the existence of coal measure strata which can generate a great number of natural gas ;

鄂尔多斯盆地上古生界岩性致密、构造平缓，又存在生气量巨大的煤系地层，具有形成深盆气的地质条件；

Meanwhile , the small earthquakes mainly occurred in the carbonate rock-masses with high brittle lithology and low infiltration stability , but there were little earthquakes occurred in the Triassic Xujiahe sand mudstone and coal measure strata which were relatively weak in lithology and high in infiltration stability .

同时，小震活动主要集中发生在脆性程度高、渗透稳定性低的碳酸盐岩地层中，而在岩性较软弱、渗透稳定性高的三叠系须家河组砂泥岩和煤系地层中很少有地震发生。