工程工艺

深部煤层气油电混驱压裂设备配置与工艺技术

  • 赵崇胜 ,
  • 王波 ,
  • 苟波 ,
  • 罗鹏飞 ,
  • 陈国军 ,
  • 巫国全
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  • 中国东方电气集团有限公司四川宏华电气有限责任公司,四川 成都 610036
赵崇胜(1982—),男,本科,高级工程师,主要从事电动压裂工程系统研发设计与运营管理工作。地址:四川省成都市金牛区信息园东路99号,邮政编码:610036。E-mail:zhaocs@hhcp.com.cn
王波(1983—),男,硕士,高级工程师,主要从事油气压裂工程系统设备的故障诊断与优化设计工作。地址:四川省成都市金牛区信息园东路99号,邮政编码:610036。E-mail:32414471@qq.com

收稿日期: 2024-06-03

  网络出版日期: 2025-04-01

基金资助

四川省科技成果转移转化示范项目“150 MPa超高压深层页岩气压裂成套智能装备示范应用及产业化”(2024ZHCG0064)

Equipment configuration and process technology of hybrid oil-electric fracturing for deep coalbed methane

  • ZHAO Chongsheng ,
  • WANG Bo ,
  • GOU Bo ,
  • LUO Pengfei ,
  • CHEN Guojun ,
  • WU Guoquan
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  • Sichuan Honghua Electric Co., Ltd., Dongfang Electric Corporation, Chengdu, Sichuan 610036, China

Received date: 2024-06-03

  Online published: 2025-04-01

摘要

为了解决深部煤层气储层改造中,油电混驱压裂设备的配置技术问题,以鄂尔多斯盆地东缘大宁—吉县区块吉深11-7A平台深部煤层气油电混驱压裂设备配置为例,从压裂泵组功率计算、考虑输电线路功率损耗和辅助系统功率的电网容量计算、运输和混砂装置能力、低压管汇系统供液能力计算、高压管汇系统和仪表撬功能等方面提出了具体配置要求,结合压裂施工要求与设备作业能力,提出了深部煤层气油电混驱压裂设备计算配置方法,在平台3口井进行了应用。应用结果表明,形成的配套方法满足深部煤层气高压力、大排量、高砂比、大砂量和24 h连续压裂作业的要求。在满足泵组功率储备系数1.3的条件下,功率冗余系数为1.46;电网申请容量19 000 kVA大于线路需求总计容量18 269 kVA,满足用电要求;运砂、混砂设备和低压供液设备能力等也满足实际使用需求。吉深11-7A平台从2024年3月10日开始,2024年3月31日结束压裂施工。施工压力介于55~75 MPa,排量介于19~20 m3/min,风险层段排量介于14~16 m3/min,砂比6%~24%,单泵最大排量为2.0 m3/min。3口井的累计总液量为73 926.7 m3,电泵总液量为36 458.1 m3,累计电量719 200 kW⋅h。完成3口井34段压裂施工,完成了“中国首座油电混驱深部煤层气平台”水平井储层改造。研究结果可以为深部煤层气油电混驱压裂施工提供设备配置计算方法,对中国其他油气区块压裂施工设备配置具有一定的借鉴意义。

本文引用格式

赵崇胜 , 王波 , 苟波 , 罗鹏飞 , 陈国军 , 巫国全 . 深部煤层气油电混驱压裂设备配置与工艺技术[J]. 油气藏评价与开发, 2025 , 15(2) : 292 -299 . DOI: 10.13809/j.cnki.cn32-1825/te.2025.02.014

Abstract

In order to address the technical challenges in equipment configuration for hybrid oil-electric fracturing in deep coalbed methane reservoir modification, this study used the configuration of hybrid oil-electric fracturing equipment for deep coalbed methane at the Jishen 11-7A platform in the Daning-Jixian block on the eastern edge of the Ordos Basin as a case study. Specific configuration requirements were proposed in aspects such as the calculation of fracturing pump group power, power grid capacity calculation considering power loss in transmission lines and auxiliary system power, the capacity of transportation and sand mixing equipment, calculation of the liquid supply capacity for the low-pressure manifold system, and the functions of the high-pressure manifold system and instrument skid. A method for calculating the configuration of hybrid oil-electric fracturing equipment for deep coalbed methane was proposed by integrating fracturing operation requirements with equipment performance and applied to three wells on the platform. The application results showed that the developed configuration method met the requirements for high pressure, large displacement, high sand ratio, large sand volume, and 24-hour continuous fracturing operations in deep coalbed methane. With a pump power reserve factor of 1.3, the power redundancy factor was 1.46. The applied capacity of 19 000 kVA exceeded the total line demand of 18 269 kVA, meeting power demand. The capabilities of sand transportation, sand mixing, and low-pressure liquid supply equipment also met operational requirements. Fracturing operations at the Jishen 11-7A platform began on March 10, 2024, and concluded on March 31, 2024. The operating pressure ranged from 55 to 75 MPa, with a displacement of 19 to 20 m3/min and 14 to 16 m3/min in risk zones. The sand ratio ranged from 6% to 24%, with a maximum single-pump displacement of 2.0 m3/min. The three wells had a total liquid volume of 73 926.7 m3, including 36 458.1 m3 from the electric pump, with a total electricity consumption of 719 200 kW⋅h. A total of 34 fracturing sections across 3 wells were finished, completing the reservoir reconstruction of the horizontal wells of China’s First Hybrid Oil-Electric Deep Coalbed Methane Platform. The findings provide a method for configuring fracturing equipment in deep coalbed methane operations and offer insights for fracturing equipment configuration in other oil and gas blocks in China.

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