2018 Vol. 35, No. 3

Display Method:
2018, 35(3)
Abstract:
Status Quo of the Development of Deep Water Drilling Fluids Worldwide
LUO Jiansheng, LI Zili, LUO Man, LI Huaike, LIU Gang, ZHAO Chunhua
2018, 35(3): 1-7. doi: 10.3969/j.issn.1001-5620.2018.03.001
Abstract:
In this paper the formation characteristics of the deep water areas in GOM, Brazil and West Africa are analyzed. Characteristics of the salt formation and technical challenges encountered in drilling operations are introduced with emphasis. Requirements on drilling fluid design for use in drilling t...
Progress in the Study of Environmentally Friendly Drilling Fluid Filtration Reducer
WU Xinlei, YAN Lili, WANG Lihui, WANG Fayun
2018, 35(3): 8-16. doi: 10.3969/j.issn.1001-5620.2018.03.002
Abstract(1311) PDF (851KB)(278) [Cited by] (42)
Abstract:
The development of environmentally friendly high temperature drilling fluid filtration reducer is an important subject at present, because it plays a key role in dissolving environment pollution. This paper summarizes the progress made at home and abroad in the study of environmentally friendly dril...
Application of Ultra Fine Ilmenite Powder as Drilling Fluid Weighting Agent
WANG Qian, MA Zhaohua, YUAN Xuefang, XU Tongtai, ZHANG Hui, ZHANG Ruifang
2018, 35(3): 17-24. doi: 10.3969/j.issn.1001-5620.2018.03.003
Abstract:
Deep water well, extended reach well, HTHP well and well with narrow safe drilling window are imposing higher and more rigorous requirements on the performance of drilling fluids, especially those requirements such as the rheology, wall building property, settling stability and reservoir protection ...
Development of and Study on a High Performance Synthetic Base Drilling Fluid
ZHAO Chunhua, LUO Jiansheng, XIA Xiaochun, SUN Qiang, GENG Tie, LIU Gang
2018, 35(3): 25-31. doi: 10.3969/j.issn.1001-5620.2018.03.004
Abstract:
A high performance synthetic drilling fluid has been developed to deal with narrow safe drilling window associated with high temperature high pressure wells. The synthetic base drilling fluid was formulated with three main additives:a new high temperature emulsifier which is resistant to high temper...
High Performance Water Base Drilling Fluid CQH-M2 and Its Application on Well Wei204H11-4
LIU Zheng, LI Juncai, LI Xuan, LI Maosen, HU Jing, FAN Jin
2018, 35(3): 32-36. doi: 10.3969/j.issn.1001-5620.2018.03.005
Abstract:
The Longmaxi shale in Chuanyu area is brittle, and is full of micro-fractures and vugs. Challenges encountered during drilling operations are borehole instability and pipe sticking resulted from borehole sloughing. In this paper, the technical difficulties in using the high performance water base dr...
Enhancing Pressure Bearing Capacity of Formation to Control Mud Losses in Deep Shale Gas Drilling With Oil Base Drilling Fluids
LIANG Wenli
2018, 35(3): 37-41. doi: 10.3969/j.issn.1001-5620.2018.03.006
Abstract:
With the advancement of shale gas drilling to deeper reservoirs, the density of drilling fluid has approached 1.75 g/cm3, and the density of cement slurry approached 1.85-1.89 g/cm3. To improve the quality of well cementing and prevent the losses of cement slurry, the pressure bearing capacity of th...
Technology of Preventing and Controlling Mud Losses into the Permian Igneous Rocks in Shunbei Oilfield
PAN Jun, LI Daqi
2018, 35(3): 42-47. doi: 10.3969/j.issn.1001-5620.2018.03.007
Abstract:
Lost circulation is one of the main technical roadblocks to safe, fast and efficient drilling in Shunbei oilfield. Analysis of the field operation data concerning lost circulation showed that the Permian system in Shunbei oilfield is highly heterogeneous and full of fractures of different sizes and ...
Study and Application of Supramolecule Chemical LCM Technology
WANG Yong, JIANG Guancheng, DU Qingfu, XUE Minsheng, YANG Ping, LIU Jianquan, LIU Yongfeng, LI Yingjin
2018, 35(3): 48-53. doi: 10.3969/j.issn.1001-5620.2018.03.008
Abstract(1081) PDF (3635KB)(226) [Cited by] (26)
Abstract:
A supramolecular chemical lost circulation material (LCM) has been prepared based on the supramolecular chemistry theory recently developed. This LCM can be used to control mud losses at different depths. It forms gels of different strengths and elasticity at different temperatures. Lost circulation...
Study and Application of a Drilling Fluid Microemulsion Lubricant NE
DONG Bingqiang, QIU Zhengsong, DENG Zhi, ZHANG Hualian, KANG Yuanbo
2018, 35(3): 54-59. doi: 10.3969/j.issn.1001-5620.2018.03.009
Abstract:
Deficiencies have been found of the drilling fluid lubricants used presently, such as poor high temperature stability, complex preparation process, severe foaming and high level of fluorescence etc. These deficiencies have hindered drilling horizontal wells with longer horizontal displacement, and d...
Study on Rheology of Consistent Rheology Water Base Drilling Fluid for Deep Water Drilling
GAO Han, XU Lin, XU Mingbiao, YOU Fuchang, LIU Weihong
2018, 35(3): 60-67. doi: 10.3969/j.issn.1001-5620.2018.03.010
Abstract:
Consistent rheology water base drilling fluid, rarely reported presently, is a new working fluid used for deep water drilling. The rheological behavior and the consistent rheology mechanisms were studied by measuring the properties and analyzing the rheological model of the consistent rheology drill...
Drilling Fluid Technology for Preventing Collapse of Carbargilite Formation in Changqing Gas Field
ZHANG Jianbin, JIA Jun, LIU Zhaoli
2018, 35(3): 68-73. doi: 10.3969/j.issn.1001-5620.2018.03.011
Abstract:
Wellbore collapse in the carbargilite section in Changqing gas field has resulted in frequent occurrence of downhole troubles and sidetracking. To resolve these problems, rock samples taken from the carbargilite formation were studied for the microstructure, cation exchange capacity, mineral composi...
Performance Optimization of a Water Base Drilling Fluid for Continental Shale Gas Drilling in Block Yanchang
WANG Bo, LI Wei, ZHANG Wenzhe, LI Hongmei, WANG Tao
2018, 35(3): 74-78. doi: 10.3969/j.issn.1001-5620.2018.03.012
Abstract:
Abundant shale gas resource has been found in Yanchang, and the exploration and development of the resource is in research stage. The geology of the shale gas reservoirs is complex, and borehole collapse in horizontal drilling has always been a problem. The use of oil base mud to control borehole wa...
Drilling Fluid Technology for “Integrated” Wells in North Troyes Oilfield in Kazakhstan
JIAO Xiaoguang
2018, 35(3): 79-83. doi: 10.3969/j.issn.1001-5620.2018.03.013
Abstract:
The north Troyes oilfield (Kazakhstan) in recent years has been carrying out the "integrated" drilling mode which imposes new challenges to drilling fluid. To deal with the challenges, a saturated polymer sulfonate drilling fluid was formulated based on the analyses of geology of the formations and ...
Analyses of the Cause of Casing Sticking in Well ZX105 and the Techniques of Freeing the Sticking
ZHANG Zhen
2018, 35(3): 84-88. doi: 10.3969/j.issn.1001-5620.2018.03.014
Abstract:
Well ZX105 is the first exploratory horizontal well drilled in Zhixinchang structure in western Sichuan. This well, targeted the lower Shaximiao formation, was designed to drill to measured depth of 3,726 m (TVD 2,506 m). The designed length of the horizontal section was 1,001 m. The casing for the ...
Study on Improving the Performance of Cement Slurry with Spherical Ultra-fine Mineral and the Application Thereof
ZHAO Qiyang, YAN Haibing, LI Meiping
2018, 35(3): 89-93,99. doi: 10.3969/j.issn.1001-5620.2018.03.015
Abstract:
Conventional ultra-fine minerals are used to improve the degree of density of cement powders. The use of these ultra-fine minerals, however, leads to increase in the amount of water required, and the results in enhancing the degree of density and compressive strength of the set cement are not as goo...
Laboratory Study on a New Low Heat Cement
XING Xijin, WU Zhiqiang, GENG Ya'nan, HE Song
2018, 35(3): 94-99. doi: 10.3969/j.issn.1001-5620.2018.03.016
Abstract:
Shallow hydrate zones are often encountered in offshore deep drilling. Conventional low temperature cement releases quite large amount of heat which, during well cementing, will negatively affect the quality of well cementing because the heat released causes the hydrate zones to destabilize. A speci...
Evaluation and Application of a Pollution Resistant Spacer Fluid GLJ Converted from Active Mud
ZHOU Daisheng, LI Qian, ZHANG Qigen, WANG Wei, XIE Xiantiao
2018, 35(3): 100-104. doi: 10.3969/j.issn.1001-5620.2018.03.017
Abstract:
With the advance of high temperature deep well and ultra-deep well development in Sichuan and Chongqing, the compatibility of cement slurry for well cementing with drilling fluid, which is probable to cause cement slurry to become thickened and agglomerate, is becoming more and more protruding. A po...
Effect of Fracturing Fluid on the Migration of Methane in Shale with Nano-sized Fractures
WANG Haiyan, GUO Limei, XU Yun, LIU Ping, GUAN Baoshan, WU Jiaquan, XUE Yanping
2018, 35(3): 105-109. doi: 10.3969/j.issn.1001-5620.2018.03.018
Abstract:
Spatial fracture-network generated fracturing and the characteristics of shale itself produce large amount of nano-sized fractures in the shale. The effect of water retained in shale on desorption and migration of methane was studied through simulation, experiment and data from filed operations. Cal...
Study on Distribution of Low Density Proppants in Hydraulic Fracturing Operations and the Application Thereof
LIANG Ying, LUO Bin, HUANG Xia
2018, 35(3): 110-113. doi: 10.3969/j.issn.1001-5620.2018.03.019
Abstract:
In hydraulic fracturing operations, the distribution of proppants in the fractures play an important role to the results of the stimulation job. Laboratory experiments have been conducted to study the distribution of settled sand bank of low density proppants in fresh water, in 0.08% HPG solution an...
Lanthanide Series Metal Tracers: Development and Application in Sulige Area
CHANG Qing, LI Qingyi, ZHAO Peng, CAI Jingchao, CAO Susu, LI Shuang, ZHOU Xun, SHAO Shuai
2018, 35(3): 114-118,123. doi: 10.3969/j.issn.1001-5620.2018.03.020
Abstract:
16 tracers have been developed using lanthanide series metals, EDTA·2Na, DTPA and NaOH etc. The tracers were tested with ICP-AES for the detection limit of each element and the interference among the elements. It was concluded that the detection limits of the 16 tracers are between 10 mg/m3 and 80 m...
The Detection of Bromide Tracer in Hydraulic Fracturing Flowback
LIU Guoliang, SU Huimin, LU Yongjun, ZHANG Fusheng
2018, 35(3): 119-123. doi: 10.3969/j.issn.1001-5620.2018.03.021
Abstract:
With increasing scale in reservoir fracturing, more rigorous requirement has been placed on chemical tracers and their detection whose sensitivity and accuracy are both affected by the addition of fracturing fluid additives. In laboratory studies, two simulated fracturing fluid samples formulated wi...
Study and Application of Well Test Fluid for HTHP Wells in Ying-Qiong Basin in South China Sea
YANG Yong, LUO Ming, WEI Anchao, HAN Cheng, LI Zhujun
2018, 35(3): 124-128. doi: 10.3969/j.issn.1001-5620.2018.03.022
Abstract:
Drilling fluids with good thermal stability, settling stability, CO2 contamination resistance and reservoir protection are required to drill wells in the Ying-Qiong Basin in South China Sea where high temperature, high pressure, CO2, and low porosity/low permeability prevail. Downhole troubles have ...