Strike - dip, development degree and horizontal stress of the natural fracture in oil well perforated intervals affects operated fracturing pressure directly.

油井射孔段天然缝产状、发育程度、水平应力大小直接影响着压裂施工压力。

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To reduce the pollution of the oil-gas well towards the bottom after its fracturing and decrease the operation costs, the hanger specially used for annulus feeding fracturing was developed.

为了减轻油气井压裂后对地层的污染并降低作业成本，研制了高强度环空压裂专用悬挂器。

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The item investigates the fracturing fluid system using in deep well fracturing in Xinjiang oil field, and optimizes suitable aqueous fracturing fluid system and fracturing fluid additive.

本文针对新疆油田深井压裂用的压裂液体系进行了研究，优选了合适的水基压裂液体系和压裂液添加剂。

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Every well that gets drilled into shale formations or other tight reservoirs requires hydraulic fracturing before the oil and gas will flow.

FORBES: Shale Gas Frackers Get Excited About ... A New Sponge?

Wells in shale plays have to undergo a process known as fracturing to boost the porosity of the rock and to make oil and gas flow to the well head.

FORBES: Baker Hughes Ramps Up Oil Fracking On Low Natural Gas Prices

Today the Obama administration tightened oil and gas industry regulations, forcing drillers to capture air pollutants released during well construction including during hydraulic fracturing (fracking) in new wells.

FORBES: U.S. Energy Independence in 15 Years?