[1]高科超,高飞,杨子,等.渤海油田普通稠油冷采测试工艺[J].油气井测试,2019,28(01):38-45.[doi:10.19680/j.cnki.1004-4388.2019.01.007]
　GAO Kechao,GAO Fei,YANG Zi,et al. Cold production testing technology for heavy oil well in Bohai Oilfield[J].Well Testing,2019,28(01):38-45.[doi:10.19680/j.cnki.1004-4388.2019.01.007]
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渤海油田普通稠油冷采测试工艺()
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《油气井测试》[ISSN:1006-6977/CN:61-1281/TN]

卷:
28
期数:
2019年01期
页码:
38-45
栏目:
出版日期:
2019-02-25

文章信息/Info

Title:
 Cold production testing technology for heavy oil well in Bohai Oilfield
文章编号:
1004-4388(2019)01-0038-08
作者:
 高科超1;  高飞2;  杨子3;  杨歧年4;  刘宝坤5
 1.中海石油（中国）有限公司天津分公司勘探部 天津 300459
2.中海艾普油气测试（天津）有限公司 天津 300459
3.中海油能源发展股份有限公司工程技术分公司 天津 300459
4.中海石油（中国）有限公司天津分公司工程技术作业中心 天津 300459
5.中国石油集团渤海钻探工程有限公司油气井测试分公司 河北廊坊 065007
Author(s):
 GAO Kechao1;  GAO Fei2;  YANG Zi3;  YANG Qinian4;  LIU Baokun5
 1. Exploration Department of Tianjin Branch of CNOOC (China) Limited, Tianjin 300459, China
2. COSLEXPRO Testing Services (Tianjin) Co., Ltd., Tianjin 300459, China
3. CNOOC EnerTechDrilling & Production Company, Tianjin 300459, China
4. EnerTech Center of Tianjin Branch of CNOOC (China) Limited, Tianjin 300459, China
5. Well Testing Branch of CNPC Bohai Drilling Engineering Co. Ltd., Langfang, Hebei 065007, China
关键词:
 ; 渤海油田;  普通稠油;  试采;  射孔;  控温;  取样;  计量;  排液
Keywords:
 ; Bohai Oilfield;  heavy oil;  production test;  perforation;  temperature control;  sampling;  metering;  discharge
分类号:
TE27
DOI:
10.19680/j.cnki.1004-4388.2019.01.007
文献标志码:
B
摘要:
 针对渤海油田稠油井测试过程中存在的出砂、垂直管流黏阻大流动困难、PVT取样成功率低、计量误差大等难题，从射孔、防砂、控温、取样及计量工艺优化等方面细化研究，形成了由稳岩控砂射孔诱喷技术、井下测试管柱控温技术、稠油PVT取样技术和稠油测试配套计量技术组成的普通稠油井冷采测试工艺。该工艺采用大孔径、深穿透、高密度射孔技术配合合适的诱喷压差提高油层渗流能力，联合井筒保温和加热技术降低原油在井筒中的流动阻力，优化取样器放置位置和取样时机，采用具有压力补偿功能的单相取样器保证取样准确性，配备可加热式的25 m3计量罐实现精确计量。渤海油田蓬莱31X1井现场应用表明，取样压差仅为0925 MPa，取样合格；采用螺杆泵排液求产，80 r/min时日产油5284 m3，130 r/min时日产油8928 m3；四次开关井均取得了合格的压力数据资料。该工艺为类似稠油油田产能释放及有效动用提供了技术支撑。
Abstract:
 In view of some problems such as sand production, difficult vertical pipe flow due to high viscosity, low success rate of PVT sampling, and big metering error in heavy oil well tests in the Bohai Oilfield, the cold production testing technology for heavy oil well was developed through the detailed study in respect of perforation, sand control, temperature control, sampling and metering process optimization, which is composed of perforating and induced flow while stabilizing rock and controlling sand, temperature control of downhole testing string, heavy oil PVT sampling, and metering for to heavy oil testing. This technology uses largediameter, deeppenetrating and highdensity perforation technique to improve the reservoir seepage capacity at suitable induced flow pressure difference. It also combines wellbore insulation and heating technique to reduce the flow resistance of crude oil in wellbore. The singlephase sampler with pressure compensation function is used to acquire samples accurately at proper positions and time. Moreover, a 25 m3heated metering tank is equipped to ensure accurate metering. Field application of this technology in Well PL31X1 in the Bohai Oilfield demonstrates the qualified sampling with pressure difference of only 0925 MPa, the daily oil production of 5284 m3 at the pump rate of 80 r/min and 8928 m3 at the pump rate of 130 r/min when the screw pump is used for production, and satisfactory pressure data obtained from four times of well entry and shutin. This proposed technology provides the support for release and effective utilization of productivity in similar heavy oil oilfields.

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备注/Memo

备注/Memo:
 2018-08-29 收稿, 2018-11-29 修回, 2019-01-05 接受, 2019-02-18 网络版发表
中海石油（中国）有限公司生产性科研项目“海上稠油举升井筒降黏工艺技术研究”（CCL2014TJXZSS0845）
高科超，男，1983年出生，高级工程师，2007年毕业于西南石油大学资源勘查工程专业，现从事海上测试作业管理及工艺研究工作。电话：022-66500297；Email：gaokch@cnooc.com.cn。通信地址：天津市滨海新区海川路2121号渤海石油管理局A座，邮政编码：300459。
更新日期/Last Update: 2019-02-13