The design approach of balanced-pressure cementing is given for the wells with weak formations.
归纳给出了低压易漏井平衡压力注水泥设计的步骤。
The balanced-pressure cementing designs are done for different kinds of casing cementing operations in Lu 9 Region.
针对陆9井区各种不同形式的固井，进行了平衡压力注水泥设计。
Because foamed cement has gas and the properties of gas are the function of pressure and temperature, the conventional cementing theory can not be used in cementing with foamed cement.
由于在泡沫水泥中含有气体，其中气体参数又是温度和压力的函数，因此在固井施工设计中不能采用常规固井理论进行相关计算。
A small gap that can form between the casing or liner and the surrounding cement sheath, most commonly formed by variations in temperature or pressure during or after the cementing process.
在套管或衬管与周围的水泥环之间所形成的小间隙，这些间隙是由于在固井期间或固井之后温度或压力的变化所致。
Squeeze cementing USES pressure to force the cement through holes or perforations in the casing.
挤水泥时在压力下将水泥浆压经套管中的射孔孔眼。
Based on field investigation and statistical data, the relation plate of annulus pressure differential, interlayer differential and cementing quality is plotted.
结合现场调查和统计规律，建立了环空压差和层间压差与固井质量的关系图版。
The technologies could ensure the well bottom pressure keeping balanced during waiting on cement and cementing safety.
该技术能保证固井候凝过程中井底压力平衡，施工安全。
The experimental study on the relationship between annulus pressure differential, interlayer differential and cementing quality is carried out on the lab simulation test unit.
室内利用模拟试验装置进行了环空压差和层间压差与固井质量的关系的试验研究。
So it is recommended that the pressure differential between the casing and the annulus be increased to improve the cementing quality if the downhole conditions permit.
建议在井下条件允许的情况下，增加环空与套管内的压差值来提高固井质量。
It says faulty cementing, a misread pressure test, and a blowout preventer that wasn't maintained correctly all led to the spill.
他们说，有缺陷的粘合，误读压力测试，维护不当的防爆炸实施等因素全部都导致这次石油泄漏事故。
The important factors influencing the product performance are investigated, including the dosage of cementing agent, forming pressure, material moisture and curing regime.
对影响产品性能的几个重要因素，包括胶凝材料用量、成型压力、物料含水率和养护制度等进行了研究探讨。
Deepwater, with the properties of low temperature, high pressure, low formation fracturing pressure, impacts the cementing work significantly.
海洋深水温度低、压力大、地层破裂压力小，对固井作业产生了较为严重的影响。
But the cementing operation is very difficult because of the complicated formation pressure system.
而调整井具有地层压力系统复杂的特点，给固井施工带来很大难度。
The low-density cement slurry is usually required in the common cementing operation in low-pressure leakage well.
在常规低压易漏井固井作业中，通常要求使用低密度水泥浆。
In consideration of the characteristics of high pressure salt bed cementing of oil and gas Wells, high density salt slurry is often used for cementing.
针对高压盐层的油气井固井特点，注水泥时常采用高密度含盐水泥浆。
The outer casing packer can be used in the troublesome Wells in which the high pressure gas channeling and the loss of circulation occur, to improve the cementing quality.
套管外封隔器可用于有高压气窜、恶性开漏等复杂情况井的固井，使固井质量有所提高。
Multistage cementing is used for long casing strings to reduce pump pressures and to reduce pressure on the formations.
多级注水泥用于长套管柱，以降低泵压并降低作用于地层的压力。
Daniudi gas field is characterized by low pressure, low permeability, being prone to leakage in some well intervals and being prone to gas channeling after cementing.
大牛地气田具有低压、低渗、个别井段易漏和固井后易气窜的明显特点。
A high pressure rated cementing head has been designed and manufactured to meet the special needs of cementing operations for deep and ultra-deep Wells.
针对深井、超深井的固井特点及其特殊要求，研制了系列新型高压水泥头。
The geology characters of low-pressure igneous reservoir are analyzed in this paper. The results of several new completion & cementing techniques used in 12 wells in this area are also introduced.
分析了胜利油田低压火成岩油藏的地质特征，介绍了几种完井新工艺在该油区12口井中的应用情况。
The lowest formation porosity pressure factor to affect the quality of well cementing is 1.46.
影响固井质量的最低地层孔隙压力因数为146。
The lowest formation porosity pressure factor to affect the quality of well cementing is 1.46.
影响固井质量的最低地层孔隙压力因数为146。
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