Petroleum Reservoir Evaluation and Development ›› 2022, Vol. 12 ›› Issue (4): 651-656.doi: 10.13809/j.cnki.cn32-1825/te.2022.04.013
• Field Application • Previous Articles Next Articles
SHAO Xiaoping(),CUI Bin,LIU Yaru(),XIE Xinhan,SONG Guanwei,REN Lichang,XU Jiehua
Received:
2022-04-28
Online:
2022-08-26
Published:
2022-09-02
Contact:
LIU Yaru
E-mail:1183602682@qq.com;1174334581@qq.com
CLC Number:
SHAO Xiaoping,CUI Bin,LIU Yaru,XIE Xinhan,SONG Guanwei,REN Lichang,XU Jiehua. Application of circulating well flushing technology in southern Yanchuan CBM Field[J].Petroleum Reservoir Evaluation and Development, 2022, 12(4): 651-656.
Table 1
Statistics of pump inspection times before and after well flushing in station A of southern Yanchuan CBM Field"
平台 | 洗井数量(口) | 洗井日期 | 洗井前检泵 次数(次) | 洗井后检泵次数(次) |
---|---|---|---|---|
A1 | 3 | 202010 | 2 | 3 |
A2 | 3 | 202010 | 2 | 3 |
A3 | 4 | 202010 | 1 | 3 |
A4 | 1 | 202010 | 3 | 0 |
A5 | 2 | 202006 | 3 | 0 |
A6 | 3 | 202007 | 3 | 3 |
A7 | 5 | 202006 | 8 | 3 |
A8 | 6 | 202010 | 5 | 1 |
A9 | 4 | 202007 | 3 | 2 |
A10 | 7 | 202004 | 19 | 11 |
A11 | 5 | 202010 | 2 | 1 |
A12 | 1 | 202008 | 6 | 2 |
A13 | 3 | 202010 | 1 | 1 |
A14 | 1 | 202010 | 1 | 1 |
A15 | 1 | 202010 | 0 | 1 |
A16 | 4 | 202006 | 1 | 1 |
A17 | 3 | 202010 | 0 | 4 |
总计 | 56 | 60 | 40 |
Table 2
Previous pump inspection before installing hollow rod well flushing process in Well-B1 of station A in southern Yanchuan CBM Field"
作业类型 | 上井日期 | 起抽日期 | 免修期(d) | 检泵原因 |
---|---|---|---|---|
新井投产 | 20211202 | 20220115 | ||
第一次检泵 | 20220202 | 20220209 | 18 | 自上而下第26根空心杆公扣顶部本体断裂,提出捞砂管柱发现:①捞砂泵以下1~19根煤粉黑水,大约0.58 m³;②捞砂笔尖以上1根油管及捞砂笔尖,煤泥及粉砂为0.03 m³ |
第二次检泵 | 20220212 | 20220214 | 3 | 自下而上第1根沉砂管煤泥及石英砂堵满,大约0.03 m³,第2根黑水煤糊大约0.03 m³,螺杆泵被砂子卡死转子无法拔出 |
第三次检泵 | 20220221 | 20220224 | 7 | 第22根上部断杆 |
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