With the large-scale finite element software ANSYS,we can achieve single-well and double-wells mechanical model, do a lot of simulations with different interwell space and get the stress value and stress image, and then use EXCEL to generate the correlation curve ,at the same time compare the stress image with different interwell space .

本文主要采用大型有限元軟件ANSYS實(shí)現(xiàn)單口井和雙口井力學(xué)模型的建立欧美www视频在线观看，進(jìn)行大量的模擬計(jì)算得到不同井間距下的應(yīng)力值和應(yīng)力云圖，然后借助EXCEL生成對(duì)比曲線999久久久免费精品播放，同時(shí)比較不同井間距時(shí)的應(yīng)力云圖日韩精品免费观看大全网站。

The evolutionary model organic beach or reef reservoir, controlling factors of which are sedimentation, digenesis and tectonics ,are established according to the result of sedimentary facies and digenesis. At last regional distribution of reservoir has been predicted. Comprehensive study indicates the dark, 50-300 m thick upper Permian series, which is rich in the organic material and biota , is beneficial to formation and protection of petroleum and natural gas. Moreover the stratigraphy possess with better reservoir ability. The reservoir distributed in shallow glacis along Beichuan Tongkou - Guangyuan Changjianggou ,He 12 well - She 1 well - Jiange - Cangxi Yongningpu -Long 4 well - Bian 1 well in Wujiaping stage and in platform edge beach along Beichuan Tongkou - Jiangyou Shuigentou - Jiange -Cangxi Yongningpu - Nanjiang .

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In this paper,a numerical well test method is presented to study the inter-well interference effect on the well test curve,which used PEBI grid and gave the discrete control equations of oil-water-phase flow .

本文用數(shù)值試井方法研究了井間干擾對(duì)試井曲線的影響，采用PEB I網(wǎng)格技術(shù)日韩成人无码电影观看网址大全，給出了在PEB I網(wǎng)格下油水兩相流動(dòng)控制方程的離散形式鲁鲁动态视频，并耦合了井筒存儲(chǔ)和表皮系數(shù)公式，得到了壓力降落數(shù)值試井問題的產(chǎn)量模型先锋影音国产。

In view of the rheological property of the heavy oil in Bo-hai field, this paper deduces the multilateral wells'production model of Non-Newtonian Bingham fluid with equiangular transformation method. In view of the multilateral wells Bo-hai, the paper analyses the multilateral wells'capitalized cost composition, including pre-drilling engineering, drilling engineering, completion engineering and production engineering. It also constructs the multilateral wells'economic benefit models basing on net present value, inner rate of return and payback period.

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Furthermore, methods of well-test interpretation are researched in aspects of observation points, equivalent pressure point and treatment for multi-solutions of pressure response.

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This kind of wells couldn"t be repaired with present technical, or the repair costs are too high so they should be abandoned. But indeed the reservoir underground also has developing value. By side-tracking technical, we can use original well site, needn"t to land lease and relay ground pipeline, also a segment of original wellbore can be used and no new well needed. So the repair speed expedites, ensures the stabilization of productivity. At the same time it can supply new work-over technical for oilfield which can server for oilfield all over the world.

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The paper expounds various mornitoring projects on the settlements of the box foundation,the deviation of the headframe and the development of the splits in administrating the splits of box foundation in Linhuan Coal Mine,analyses the measured data and suggests the control range of headframe deviation.

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Taking intermittent test production well as studied objective, by arranging former test production data and using initial producing data acquired at intermittent process, formation parameter s at two stages of testing and intermittent test production periods for natural potential and reformed wells are compared and analyzed and forecasting method is studied.

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Second, transient flow for vertical well and fractural well in porous media with arealanisotropy has been researched in this paper. The analytic solution for vertical well andsemi-analytic solution for vertical fractural well is developed by using image inversion,superposition principle, Laplace transformation, Fourier transformation, as well as theirinverse transforms, and storage and skin are taken into account. For vertical fractural well,influence of pressure and productivity is studied when the orientation of artificial fractureisn't in accordance with the direction of major permeability, it is fundamental to evaluatepotential and analyze well test data.

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The modified isochronal test is a universal method for deliverability test for a gas reservoir, during which the selection of flow rate test has significant effect on the result of a well test.

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