射孔

TCP射孔工艺技术的改进与拓展

Development for the technique of TCP perforation

TCP射孔工艺技术是油气井射孔技术的发展方向。

The technology of TCP perforation is a development orientation for completion of the wells .

TCP射孔装置的改进种种

A variety of improvements on the TCP gun

基于Taguchi方法的射孔枪多目标优化设计

Taguchi Method Based on Multi-objective Optimization of Perforating Gun

详细介绍了传输射孔负压多级起爆（TCP）技术在地质、工程方面的优势，介绍了该项技术的主要特点及应用实例。

Described are the negative pressure multistage detonating technique in TCP ( Tubing Conveyed Perforator ) and its advantages , features and applications in geology and engineering .

介绍了油气田油管输送射孔（TCP）的构成，分析了TCP常用起爆器起爆机理及在生产应用中存在的问题。

Briefly introduces the structure of tubing conveyed perforating ( TCP ) guns ; Analyses the initiation mechanism of normal TCP guns and problems existing in production and application ;

负压射孔完井技术与产能的关系评价DBF技术在综合孔径辐射计中的应用

Appraisal of Underbalanced Perforation Technology and Deliverability ; Application of Digital Beam Forming Technology in Synthetic Aperture Radiometer

GR射孔是在油气井进行射孔作业时使用自然GR曲线完成深度定位的一种射孔方式。

GR perforation is one of perforation program that uses nature gamma ray ( GR ) log for depth determination in perforation operation .

在川渝地区高含H2S气井的试油工作中，主要采用了四种射孔-测试联作管柱。

In Sichuan and Chongqing region , there are mainly 4 types of string configuration in production test for wells with high H2S content .

对1000m深的水平井进行电化学射孔和切割时所需的电解液总量约为3.46和3.19m3。

The electrolyte required for perforating and cutting in horizontal wells are about 3.46 m 3 and 3.19 m 3 respectively .

利用FLUENT对喷头自由射流和冲击射流流场进行仿真分析，确定喷头端面优选参数以满足增加水力射孔破岩效果和提高水射流能量利用率要求。

The optimal parameters of front nozzle which meet the requirements of hydraulic perforation and water jet energy utilization efficiency are determined by simulating and analyzing the submerged free jet and impinging jet of nozzle via FLUENT .

通常规定，油层套管射孔后裂孔率不得超过30%，孔裂长度最长不得超过90mm。

Normally , the maximum crack length after perforation of casing pipe must not exceed 90mm ;

分析了我国石油射孔起爆技术的现状，与国际同类产品在技术上的主要差异，并提出了加入WTO后我国石油射孔起爆技术的发展策略。

Current status of perforating initiating techniques in oil field of our country , and main differences in technology compared to the same products in the world , have been analyzed . Tactics of development of oil-well perforating initiating techniques of the nation after WTO has been put forward .

新型射孔液ZYS-1的研制及评价

Developing of new perforating fluid ZYS-1 and its performance evaluation

研制出了防止油层损害的ZYNP-1射孔液。

Perforating fluid of ZYNP-1 for preventing reservoir damage has been developed .

在地面模拟试验井，24～27MPa压力条件下射孔和割缝深度达0.50m以上；

Surface simulating tests obtained perforations with depth above 0.50m when pump pressures were between 24 ~ 27MPa .

借助于Hopkinson多功能材料动态力学性能测试装置和射孔综合模拟实验装置等一系列实验就射孔对水泥环的损伤进行了综合实验研究。

Using " Hopkinson " device , which is material dynamic mechanics measuring device , and comprehensive perforation simulation device , a serial of experiments have been finished for researching of cement sheath damage caused by perforation .

塔里木油田迪那气藏为异常高压超深气藏，压力系数大于2，埋藏深度大于5000m，储层存在严重污染，射孔后能获得天然气产量。

DN gas reservoir in TARIM Basin is an abnormal high pressure and ultra - deep gas reservoir , which has reservoir pressure factor of 2 , formation depth of 5000m .

我们认为湍流压效应可能就是造成有效温度低因而辐射压也低的RGB星产生强星风，以及AGB星产生超星风的物理原因。射孔完井水平井筒变质量湍流压降规律研究

And this may be the mechanism for driving the strong stellar winds of RGB stars and AGB stars with very low surface temperature and faint radiation pressure . PRESSURE DROP OF VARIABLE MASS FLOW IN HORIZONTAL PERFORATED WELL BORE

由于BoYunGuo等人使用的底水锥进模型引入了射孔长度对临界产量的影响，所以可用于优化底水油藏的射孔段长度。

The bottom water coning model used by Boyun Guo considered the influence of perforation length on critical output , so it can be used to calculate the perforation length of bottom water reservoir .

研究结果表明，孔深是影响产能的主要因素之一，当射孔深度超过1.5m时，产能比为常规射孔的2~3倍。

The results show that : ( 1 ) the perforation depth is one of the key factors to productivity . And only if the perforation depth is large than 1.5m , the productivity will be 2-3 times of conventional perforation productivity .

用VC6.0实现的无电缆射孔排炮软件引射孔倾角与孔径对钻头体反循环形成影响的仿真分析与实验研究

Ranging shaped charge software developed by VC 6.0 . The Emluator Analyse and Experiment Study on the Influence from Diverse Obliquity and Diameter Injector Hole Used in the Reverse Circulation Core Drilling Bit

基于Karakas和Tariq的垂直井射孔表皮模型，使用分析计算和空间有限元模拟结合，可以得到射孔水平井一个综合的新表皮效应模型。

Based on Karakas & Tariq perforation skin factor model for vertical wells , a new composite skin factor model for perforated horizontal wells is built by integrating analytical calculations with 3D finite element simulation .

层内水力割缝射孔工艺，该工艺定位控制精度高，割缝无震动，对薄夹层及水泥环不产生损伤，试验的最小隔层厚度达到0.2m；

The thickness of construction interface jammed by this packer is 0.2 meter . The second one is the inner hydraulic slotting perforation technology . This technology is characterized by high accuracy for positional control and no quaking for slotting .

第一种模式已经比较成熟，但射孔工作压力太高（一般70MPa以上），作业时不安全，且对油管强度要求很高。

The former has been mature , its pressure is too high ( over 70 MPa ) to work safely and the required intensity of oil tube is very high .

TR-5屏蔽暂堵保护液负压射孔、螺杆泵和小排量电泵开采等，均可减轻对地层的伤害。

In addition , negative pressure perforating using TR-5 screening protective fluid of temporary blocking , production by progressive cavity pump and electric pump of low discharge will all reduce the formation damage .

传统的油管传输射孔技术仅限于单管柱传输射孔与MFE测试工具联作，通过上提下放管柱来实现井下测试阀的开关，不适合特殊井的施工，施工成功率低，安全可靠性差。

Conventional TCP tech is only limited to the combination of that with MFE tool which accomplishes opening or closing the down valve by hoisting up or setting down testing string and not suits for operation of special well to cause low successful ratio and safe reliability .

该井水平段采用φ244.5mm套管完井，射孔后，下入整体式金属毡滤砂管、扶正器、封隔器构成的防砂管柱进行防砂，采用高真空隔热管注汽。

φ 244 . 5 mm OD casing is run into the horizontal interval in the well . After perforation , integrated sand control string ( consisting of screen pipes , stabilizers and packers ) is run into the well . Steam is injected through highly-vacuum insulating pipe .

影响石油射孔弹穿孔深度的几个主要因素

On Several Factors Influencing on the Perforator Depths of Shaped Charges

射孔对生产套管强度的影响规律研究

Study on the effect of perforation on the strength of casing