The post section of buildup curves is in decline due to disturbance from offset Wells, which represent the pressure decline status in the whole oil region.

对压力恢复曲线晚期段出现的下掉，认为是邻井干扰的结果，代表了整个油田区域的压力下降状况。

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This paper not only do a systemic study about the pressure decline analysis after acid fracturing for acid fracturing well but also adopt a set of new research approach on this study.

本文针对酸压井停泵后压力递减分析模型和解释方法进行了比较系统的研究，采用的研究方法比较新颖。

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Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of s...

疏松砂岩油藏开采过程中，油层压力下降和采油速度的增加以及岩石结构的破坏，是造成油层岩石微细粒运移和油井出砂的主要原因。

youdao

While we expect gross margins (for both pharma and diagnostics) to decline going forward due to a change in product mix and pricing pressure, the decline may not be as steep as we had earlier anticipated and so we have slightly revised our gross margin expectation.

FORBES: Roche's Worth $58 On Continued Growth And Strong Pipeline

Bank margins are under pressure as rates decline.

ECONOMIST: Legal robbery

The Asha line of mobile phones, which not only includes feature phones but also fully touch low-end quasi-smartphones, should help it compete directly with the cheap Android rivals that are infiltrating the market, thereby decreasing the pricing pressure and slowing down the decline in sales.

FORBES: Nokia Takes On Android In Emerging Markets With More Asha Phones