近钻头方位伽马地质导向技术在东胜气田的应用

doi:10.3969/j.issn.1672-9803.2023.04.013

摘要/Abstract

摘要： 东胜气田水平井地质导向目前主要采用常规MWD+随钻自然伽马技术,随着气田开发的不断深入,水平井开发过程中面临的地质条件更加复杂,常规的地质导向技术由于测量盲区较长,无法及时掌握盲区内地质及工程的实际情况,往往导致无法实现精准地质导向。近钻头方位伽马地质导向技术与常规地质导向技术相比,能将测量盲区从13~17 m缩短至1 m以内,真正实现实时测量,方便地质导向师利用方位伽马进行地层倾角的拾取,进而精确判断地层构造特征及监控井眼轨迹,结合井钻头测量工程数据及时对井眼轨迹进行调整,使井眼轨迹更准确地在储层中穿行,从而提高了储层钻遇率。该项技术在东胜气田3口井的应用表明,其在突破东胜气田断裂发育、地层产状变化快等复杂地质条件给水平井地质导向工作造成的制约中发挥了关键作用,为今后东胜气田水平井开发复杂地质条件下油气藏提供了经验。

关键词: 东胜气田, 测量盲区, 近钻头, 方位伽马, 地质导向, 井眼轨迹

Abstract: At present, the geological guidance of horizontal wells in Dongsheng gas field mainly adopts conventional MWD+natural gamma technology while drilling, but with the deepening of gas field development, the geological conditions faced in the process of horizontal well development become more complex. Due to the long blind area of measurement, the conventional geosteering technology can not grasp the actual geological and engineering situation in time, which leads to the inability to achieve accurate geological guidance. Compared with the conventional geosteering technology, the near-bit azimuth gamma geosteering technology can shorten the measurement blind area from 13 to 17 meters to less than 1 meter, and truly realize the real-time measurement, which is convenient for the geologist to pick up the formation dip angle by using azimuth gamma, and then accurately judge the characteristics of formation structure and monitor borehole trajectory. Combined with the well bit measurement engineering data, the wellbore trajectory can be adjusted in time, so that the wellbore trajectory can travel through the reservoir more accurately, thus the reservoir drilling rate is improved. The application of this technology in 3 wells in Dongsheng gas field shows that near-bit azimuth gamma geosteering technology plays a key role in breaking through the constraints caused by complex geological conditions such as fault development and rapid formation occurrence change in Dongsheng gas field, and provides experience for the development of horizontal wells in Dongsheng gas field under complex geological conditions in the future.

Key words: Dongsheng gas field, blind area of measurement, near bit, azimuth gamma, geosteering, borehole trajectory

中图分类号:

TE132.1

程国, 齐真真, 王邦, 吴早平. 近钻头方位伽马地质导向技术在东胜气田的应用[J]. 录井工程, 2023, 34(4): 79-84.

CHENG Guo, QI Zhenzhen, WANG Bang, WU Zaoping. Application of near-bit azimuth gamma geosteering technology in Dongsheng gas field[J]. Mud Logging Engineering, 2023, 34(4): 79-84.

参考文献

[1] 杜志强,郝以岭,张国龙,等.方位伽马随钻测井在冀东油田水平井地质导向中的应用[J]. 录井工程,2008,19(1):18-21.
DU Zhiqiang, HAO Yiling, ZHANG Guolong, et al.Application of the azimuth gamma logging while drilling for the geosteering in the horizontal wells in Jidong Oilfield[J]. Mud Logging Engineering,2008,19(1):18-21.
[2] 郝以岭,杜志强.OnTrak随钻测井资料在冀东油田地质导向中的应用[J]. 测井技术,2009,33(2):148-152,156.
HAO Yiling, DU Zhiqiang.Application of OnTrak logging while drilling in geosteering of Jidong Oilfield[J]. Well Logging Technology,2009,33(2):148-152,156.
[3] 龚德章. 近钻头伽马成像技术在川西叠置河道砂岩气藏中的应用[J]. 工业技术创新,2020,7(4):98-102.
GONG Dezhang.Application of near-bit gamma imaging technology in stacked channel sandstone gas reservoirs in Western Sichuan[J]. Industrial Technology Innovation,2020,7(4):98-102.
[4] 王伟. CGDS172NB近钻头地质导向钻井技术在江汉油田的应用[J].钻采工艺,2011,34(5):34-36.
WANG Wei.Application of near-bit geosteering drilling technology in Jianghan Oilfield[J]. Drilling & Production Technology,2011,34(5):34-36.
[5] 黄文军,邢厚韦,付瑜,等.近钻头地质导向钻井技术在江苏油田应用初探[J].机械,2012,39(增刊1):44-47,131.
HUANG Wenjun, XING Houwei, FU Yu,et al.Preliminary study on the application of near-bit geosteering drilling technology in Jiangsu Oilfield[J]. China Petroleum Machinery,2012,39(S1):44-47,131.
[6] 王智锋. MRC近钻头地质导向系统总体设计与应用[J].石油钻采工艺,2015,37(4):1-4.
WANG Zhifeng.Overall design and application of MRC near-bit geological guidance system[J]. Oil Drilling & Production Technology,2015,37(4):1-4.
[7] 唐海全. 随钻方位伽马数据成像处理方法[J]. 岩性油气藏,2017,29(1):110-115.
TANG Haiquan.Image processing method of LWD azimuth gamma data[J]. Lithologic Reservoirs,2017,29(1):110-115.
[8] 肖红兵,马哲,李闪. 随钻自然伽马井下测量仪器的研制[J]. 石油仪器,2002,16(2):15-17.
XIAO Hongbing, MA Zhe, LI Shan.Development of natural gamma downhole measurement instrument while drilling[J]. Petroleum Instruments,2002,16(2):15-17.
[9] 王卫,倪卫宁,王佳琦,等. 基于随钻方位伽马和电磁波电阻率的井下可视化地质导向技术[J]. 测井技术,2019,43(3):235-240.
WANG Wei, NI Weining, WANG Jiaqi, et al.Underground visual geosteering technology based on azimuth gamma while drilling and electromagnetic wave resistivity[J]. Well Logging Technology,2019,43(3):235-240.
[10] 段友祥,闫亚男,孙歧峰,等. 基于随钻方位伽马测井的地层倾角自动识别[J]. 测井技术,2018,42(5):514-520.
DUAN Youxiang, YAN Ya′nan, SUN Qifeng, et al.Automated detection of dip angle based on LWD azimuth gamma logging[J]. Well Logging Technology,2018,42(5):514-520.
[11] 刘玉霞. 地质导向钻井随钻预测方法研究[D]. 东营:中国石油大学(华东),2007.
LIU Yuxia.Study on the method of predicting while geosteering drilling[D]. Dongying: China Petroleum University(East China),2007.
[12] 杨锦舟. 基于随钻自然伽马、电阻率的地质导向系统及应用[J].测井技术,2005,29(4):285-288.
YANG Jinzhou.Application of geosteering system based on GR and resitivity LWD[J]. Petroleum Drilling Techniques,2005,29(4):285-288.
[13] 江旗洪,吴冬凤,张野,等. 方位伽玛随钻测井仪在苏里格水平井地质导向中的应用[J]. 中国石油和化工标准与质量,2014,34(3):57,94.
JIANG Qihong, WU Dongfeng, ZHANG Ye, et al. Application of LWD tool with azimuth gamma in geosteering for Sulige horizontal wells[J]. China Petroleum and Chemical Standard and Quality,2014,34(3):57,94.
[14] 武程亮. 方位伽马随在煤层气水平井中的应用[J]. 钻探工程,2021,48(5):69-75.
WU Chengliang.Application of azimuth gamma in coal bed methane horizontal wells[J]. Drilling Engineering,2021,48(5):69-75.
[15] 徐文玺,李凌川.鄂尔多斯盆地东胜气田二叠系中统下石盒子组储层评价[J]. 天然气勘探与开发,2016,39(2):18-21,40.
XU Wenxi, LI Lingchuan.Reservoir evaluation of the Middle Permain Lower Shihezi formation, Dongsheng Gas field, Ordos Basin[J]. Natural Gas Exploration and Development,2016,39(2):18-21,40.
[16] 杨志坚,张彬,谷玉堂,等. 近钻头测量技术及其在我国油田开发中的应用前景[J]. 石油仪器,2010,24(5):70-74.
YANG Zhijian, ZHANG Bin, GU Yutang, et al.Near-bit measurement technology and its application in oilfield exploitation[J]. Petroleum Instruments,2010,24(5):70-74.
[17] 李安宗,骆庆峰,李留,等. 随钻方位自然伽马成像测井在地质导向中的应用[J]. 测井技术,2017,41(6):713-717.
LI Anzong, LUO Qingfeng, LI Liu, et al.Application of azimuth gamma while drilling to geosteering[J]. Well Logging Technology,2017,41(6):713-717.
[18] 刘春生,陈晓林,侯岳,等.方位伽马随钻测量技术在土耳其天然碱溶采对接井中的应用[J]. 探矿工程(岩土钻掘工程),2020,47(8):28-34.
LIU Chunsheng, CHEN Xiaolin, HOU Yue, et al.Application of azimuth gamma MWD technology in trona solution mining with intersected well in Turkey[J]. Exploration Engineering(Rock & Soil Drilling and Tunneling),2020,47(8):28-34.

Metrics

Viewed

Full text

Abstract

Cited

Shared

Discussed