The permeability of coal is low, but it can be improved by stimulating gas bearing reservoir. 煤层的渗透率总体较低,但通过解放储层开采的措施,可显著提高渗透性以利于煤层气的抽放。
It makes a breakthrough in the knowledge of each subsystem of oil and gas bearing, especially in the knowledge of evaluation of trap and reservoir subsystem, through the analysis of large number of data on drilling, geology, seismic, log and reservoir engineering. 通过大量钻井、地质、地震、测井、油藏工程资料的分析,在各含油气子系统,尤其是圈闭和储集子系统评价等方面取得了突破性的认识。
Oil gas filling and injection history and oil gas bearing system: a case study of tight sandstone oil reservoir in Minhe basin 民和盆地致密砂岩油藏油气充注史及含油气系统研究
In an uncompacted and gas bearing reservoir, the effective porosity calculated by traditional methods is often greatly deviated from the practical value, therefore it may be corrected by the values acquired by use of drilling fluid resistivity log and micro normal log. 在未压实和含气的储层中,用传统的方法计算出的有效孔隙度往往偏差过大,于是可用钻井液电阻率和微电位值求出的有效孔隙度对其进行校验。
In mature producing fields, this technique can map the possible distribution patterns of the underground oil-/ gas-bearing reservoirs through microbial reservoir characterization evaluation, thus can play an import role in the re-exploration of mature oil and gas areas. 在成熟探区,通过微生物储层评价可绘制地下含油气储层最可能的分布模式,识别老产区中的漏失产层以及老油井的扩边范围,是老区复查的重要勘探手段。
The Research of Gas Bearing Reservoir Forecast for Wang Jiang Tun Gas Field 汪家屯气田储层预测方法研究
Certain gas reservoir of Zhongba gas field is a high sulfur bearing gas reservoir earlier putting into production in our country. Since its being put into production, it keeps higher production speed continuously ( 3.16%~ 4.3% after its full-scale development). 中坝气田某气藏是我国投产较早的高含硫气藏,气藏自投产以来一直保持较高的采速生产(全面开发后316%~43%)。
Complex resistivity logging ( CRL) is a new method employing dual frequency or multi frequency to measure formation resistivity. It may be used to effectively identify oil and gas bearing beds and seriousness of water-flooded reservoir. 复电阻率测井是以两频或多频测量地层电阻率的新方法,它可用来有效地识别油气层和确定水淹油层的水淹程度。
The seismic and geologic characters of carbonate reservoir in Sichuan basin are: ① the Poison ratio of gas bearing strata is greatly lower than that of non reservoir and the Poison ratio of gas bearing strata is greatly lower than that of water bearing strata; 四川盆地碳酸盐岩储层的地震、地质特征表现为1含气层段的泊松比数值明显低于非储层段,含气层段的泊松比数值也明显低于含水储层段;
According to the pore structure, coal boby structure and coalbed cleat, the permeability of the coalbeds of Hancheng northern mining area as a gas bearing reservoir is analyzed. The permeability of No. 2 coalbed is better No. 从孔隙结构,煤体结构及煤层割理三方面,对韩城北部矿区煤储层的渗透性进行了分析,得出2#煤层的渗透性较好,其次为3#煤层,11#煤层较差。
Division of Gas Bearing Systems and Analysis on Formation Conditions of Gas Reservoir in the East of Changyuan Region, Daqing Oilfield 长垣以东地区登娄库组含气系统及成藏条件分析
The gas bearing capability of tight clastic rock can be estimated by velocity ratio of compressional wave to shear wave derived from dipole sonic imager DSI, while tight clastic reservoir can be indicated more effectively by a crossplot of the velocity ratio and slowness of compressional wave. 利用偶极横波测井提供的纵横波速度比可以大致判断致密碎屑岩的含气性,纵横波速度比与纵波时差进行交会可更有效指示致密碎屑岩气层。
With the steady development of jet pump and improving application, this technology which is suitable for wells in Sichuan and Chongqing gas fields can enhance recovery efficiency of water-bearing gas reservoir, and can reduce cost and increase economic benefits. 随着射流泵产品的不断更新和应用水平的提高,在川渝气田条件合适的井中大量应用该工艺,可有效提高有水气藏的采收率,降低成本和提高经济效益。
Determination of Oil and Gas Bearing Sensitivity Parameters with Well Logging Data A Method for Estimating Initial Oil Saturation of a Sandstone Reservoir by Using Capillary-Logging Data 用测井资料确定地层含油、气的敏感性参数确定砂岩油藏原始含油饱和度的毛管-测井法
When oil gas enter into the reservoir in early stage and restrain the development of diagenesis, the diagenesis of no oil bearing reservoir is very intensity. 由于油气早期进入储层,抑制了成岩作用的进行,而不含油储层成岩作用强烈。
The accurate identification and evaluation of natural gas reservoir is the key to the exploration and development of gas bearing reservoir. 对天然气储层的准确识别、评价是天然气储集层勘探开发的重要环节。
Gas bearing reservoir forecast is an important topic during reserves 'evaluating and developing. The technology can be divided roughly into seismic inversion and seismic attribute analyze. 储层预测是气藏评价和开发过程中重要研究内容之一,储层预测技术可简单分为地震反演技术和地震属性分析技术。