复杂结构井

最后，在建立的理论模型基础上，利用C语言开发了复杂结构井套管摩阻分析软件系统，为现场工程实践提供必要的技术支持。

Finally , a software system is developed with C # language based on the established theoretical model . And this system is used to analyze the casing friction in complex structure wells and provides necessary technical support for in-situ engineering practice .

深井、超深井和复杂结构井垂直钻井技术

Vertical Drilling Technologies in Deep , Ultra-Deep , and Complex Structure Wells

川西复杂结构井储层伤害因素与保护对策

Factors of Reservoir Damage and Protective Measures for Structure-complicated Wells in Western Sichuan Basin

复杂结构井开发低渗油藏的效果及关键问题研究

Study on the results of developing low permeability reservoirs through complex structural wells and the key problems to it

应用丌发的气水两相数值模拟软件对蛇曲形复杂结构井开采渗流机理进行了研究；

Our in-housing gas-water two-phase numerical simulator are used to study fluid flow mechanism through porous media of snaky well .

复杂结构井技术是开发低渗透油藏、难采难动用储量和挖掘剩余油行之有效的手段。

It is an effective way to exploit low permeability reservoir , difficult-to-produce reserves and remaining oils with complex wells .

将宝元裂缝性气藏蛇曲形复杂结构井进行简化分解，形成了蛇曲形复杂结构井的基本构件。

By simplifying and decompounding snaky well in Baoyuan fractured gas reservoir , the basic structure of snaky well comes into being .

在目前国内外出现的油气田开发新技术和新理论中，复杂结构井技术及其开发理论对开发复杂油气田有重要意义，值得关注和研究。

Among them , complex well technology and its development theory are significant to exploit complex reservoirs and should be focused on and studied .

本文对复杂结构井井眼轨迹涉及的各种计算进行了相应的分析和研究，并且通过研究得到一系列的结果。

Analysis and research have been conducted correspondingly for various calculations related to complex-structure well track , and a series of results have been obtained from research .

利用复杂结构井开采低渗透油藏技术研究本机采用自动加油装置，使本机寿命加长没有渗油的烦恼。

The Study of Exploiting Low Permeability Reservoir by Non-Conventional Wells ; Automatic lubrication for longer service life , no oil leakage problems due to special design .

随着井深的增加、复杂结构井和欠平衡井的增多以及对传输速度要求的提高，电缆信号传输必然是今后智能钻井的发展方向。

However , with the increase of well depth , complex architectual well and transmittable speed , the wired signal transmission is the inevitable development trends of intelligent drilling .

利用三维填砂模型模拟地下油藏条件下的非热力开采过程，填砂模型上可以布置水平井、垂直井或其它复杂结构井模拟生产井和注水井；

This system is used to research non thermal oil recovery process under reservoir conditions in a 3 dimensional sand packed model with horizontal or vertical wells as injectors and / or producers .

割缝衬管是目前国内外水平井完井的主要方式，该类复杂结构井的堵水工作对于其整体开发效果的提高具有重要意义。

Slotted pipe completion is the main well completion method for horizon wells both in China and abroad . Water plugging plays an important role improve the whole development effect of such horizontal wells .

因此，蛇曲井是不同于常规水平井的一种新型复杂结构井，在进行蛇曲井地层渗流规律和产能分析研究时不能将蛇曲井简化处理为水平井。

Therefore , snaky well is a new type of complex well that is different from conventional horizontal well . And snaky well can not be simplified as horizontal well to study seepage laws and productivity analysis .

因此，通过理论模型对复杂结构井套管摩阻进行预测，具有非常重要的意义。本问首先利用三次样条插值法对测斜数据进行拟合。

Therefore , it is of great importance to predict the casing friction in complex structure wells by theoretical model . First , this paper carries on the data fitting to the inclinometer data by the method of cubic spline interpolation .

蛇曲井是一种新的复杂结构井，其生产井段起伏较大，不能直接用常规水平井产能公式计算其产能。

Snaky well is a new type of complex well . The wellbore pressure drop of snaky well can 't be neglected for its producing interval has large fluctuation , and the conventional productivity calculation methods for horizontal wells could not be applied directly for snaky wells .

复杂结构水平井产能关系研究

Research on deliverability relationship of complicated horizontal well

有限导流条件下复杂结构水平井的产能关系呈非线性特征，不同分支井条件下的产能增比与分支井数和分支长度组合数呈指数变化特征。

The deliverability relationship of oil wells with definite conductivity along horizontal wells was investigated through changing branch number , and the deliverability of complicated horizonal wells presents nonlinear characters .

在复杂地质条件下钻复杂结构井及特殊工艺井时，在地质和工程方面存在许多不确定性因素和复杂性问题。

There are many un-certainties and complex problems in the fields of geology and engineering for drilling complex well under complex geological condition .