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181. Rock salt sedimentation provides good caprocks for oil and gas reservoirs, what's more, its commensal rock formations can come into being good hydrocarbon source rock series of strata.

182. The mechanical model of key strata supported by coal pillar is set up according to the layout of coal pillars in the coalface of short wall mining.

183. With analog testing, graphical analysis, discrete element calculation method, the features of mining caused fractures of overlaying strata is studied.

184. Upper Jurassic red bed cover directly on coal measure strata of Permian and Carboniferous system in Yanzhou coal field .

185. On the basis of key rock strata theory, transferring rock beam structure and the law of the overlying strata displacement and the surface subsidence theory, we deduced offset error formula.

186. The preservation condition is strong in dismembering because of polycyclic tectonic movement′s superimposition in the marine strata of Yunnan-Guizhou-Guangxi Region.

187. For evaluating its performance, the IFFPC system was divided into three strata hierarchical control system on the large scale system control theory.

188. One of these kinetic models is the geologic strata pressure with productive time variety, which will change the traditional static optimization allocation.

189. It holds also one of the most complete successions of the Cambrian strata known in China.

190. This paper considers comprehensively water source, water pressure, impedance water strata, and fault ectal factors to establish a ANN forecast model for water-inrush from coal floor.

191. Floccule formed by mixing clay with partially hydrolyzed polyacrylamide (HPAM) was a kind of plugging agent used to block the high-capacity channel of strata.

192. Conclusion The fine strata classification and correlation of Chang 6 oil-bearing formation has a deep significance to the development of the Oilfield.

193. Stress shell, which bears and pass load of overlying strata, is primary supporting body. The stress in skewback of stress shell forms abutment pressure of surrounding rock in vicinity of working face.

194. Study shows that the T3-J1 radiolarian cherty strata will be made such a potential target in the not too distant future.

195. The Shixi Formation which rests unconformably on the Ehulin Formation and is unconformably overlain by the Zhoujiadian Formation is the upper part of the Mesozoic volcanic-sedimentary strata.

196. Seismic response in heterogeneous gas-bearing strata would be characterized by relatively well developed diffracted wave.

197. Most of people considered that the natural gas in Jurassic in Baimamiao gas field in West Sichuan Basin came from the coal measure strata of Upper Triassic in the past.

198. By systematic study on some categories of biotic fossils discovered in the carboniferous strata of Laiwu coal field,[sentencedict .com] the assemblage of Fusulinida and conodont of this area is established.

199. These deposits are in unconformable contact with the underlying coal-bearing strata of the Shahezi Formation.

200. In order to solve the 3D automatic modeling problem of strata based on Generalized Tri-prism(GTP), a kind of 3D stratum structure knowledge inference rule and modeling method is put forward.

201. Hence, important information on the crustal deformation is recorded in the internal litho- facies change, characteristics of sedimentary formations and strata contact relations in basin.

202. The faults and vertical fissures in the strata are conduits for gas vertical migration, which are also controlling the distribution of secondary pools.

203. Multichannel seismic reflection, magnetism and drilling data show that there are Mesozoic strata in the East China Sea (ECS) shelf basin.

204. It consists of Archaeozoic and Paleozoic strata in which Cambrian and Ordovician are dominated by limestone. The tectonism and weathering make it become a good reservoir.

205. The clasts'variety in the strata and sections provided important constraints on the types of source rocks and exhumation and unroofing history of the Dabie orogenic belt.

206. Today chock - shield support is extensively used to control the superjacent strata of longwall face.

207. If seismic excitation points and receiving points can avoid the Quaternary strata, especially near-surface strata, the collection ratio will be improved greatly.

208. By using the method of genetic strata analysis, the coal bearing member is divided into three increment sequence which represent process of aggradation progradation retrograding.

209. Coal geology emphatically studies always stratigraphy and sedimentology of coal and coal - bearing strata.

210. Limited gas geological reserves have been found and identified in the area mainly because of few exploratory wells and low exploration and research level in middle- and deep-level strata in the area.