A large producing reservoir may have one or more producing exploratory Wells and several producing development Wells.

一个大的生产油藏可能有一个或更多的生产探井和一些生产开发井。

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On the basis of a large number of field test data, the regression of the displacement coefficient and system efficiency for pumping unit wells were established.

本文在抽油机井大量现场测试数据的基础上，建立了抽油机井系统效率、排量系数这两个重要指标与诸影响因素之间的回归方程。

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As a main completion pattern in current oil and gas Wells, the perforation has a large effect on their productivity.

射孔完井作为现在油气井的主要完井方式，其对油气井产能有着重要的影响。

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Meanwhile, Wells Fargo Advantage Growth (SGROX), a large cap growth fund has gained 12% this year after advancing 26% last year.

FORBES: Fidelity FundsNetwork Eases Free Fund Trade Rule

One way to assure that our economy is not held hostage to the fate of just a few behemoth organizations is to make sure that consumers have more than just a few large firms like Bank of America, Citigroup, JPMorgan Chase or Wells Fargo where they can place their money.

FORBES: Too Big To Fail, Too Small To Succeed

In Arkansas, known for the rich Fayettevile Shale reserve, a drilling moratorium on new injection wells has been established as scientists believe that the large number of earthquakes recorded in the region may been a result of fracking.

FORBES: Chesapeake Good For $38 But Faces Big Fracking Headaches