Practice and theoretical and technical progress in exploration and development of Shunbei ultra-deep carbonate oil and gas field, Tarim Basin, NW China

MA Yongsheng,CAI Xunyu,YUN Lu,LI Zongjie,LI Huili,DENG Shang,ZHAO Peirong

Table 1 Key wells discovered in the Shunbei oil and gas field

Well	Fault zone No.	Location	Completion time of well (year)	Depth of well/m	Oil and gas discovery formation	Test		Density of crude oil/ (g·cm^-3)	Ratio of oil to gas/ (m³·m^-3)
Well	Fault zone No.	Location	Completion time of well (year)	Depth of well/m	Oil and gas discovery formation	Daily oil production/ t	Daily gas production/ m³	Density of crude oil/ (g·cm^-3)	Ratio of oil to gas/ (m³·m^-3)
Shunbei 1-1H	1	West	2015	7613.05(tilted)/ 7557.66(vertical)	Yijianfang Formation	88.0	4×10⁴	0.800 3	363
Shunbei 5X	5		2017	7950.06(tilted)/ 7650.64(vertical)	Yingshan Formation	132.6	8 757	0.829 0	55
Shunbei 53X	5		2018	8362.00(tilted)/ 7915.45(vertical)	Yingshan Formation—Yijianfang Formation	125.2	7.6×10⁴	0.788 8	478
Shunbei 7X	7		2017	8121.00(tilted)/ 7863.66(vertical)	Yingshan Formation—Yijianfang Formation	104.6	1.44×10⁴	0.844 9	116
Shunbei 41X	4	East	2021	8645.00(tilted)/ 7984.10(vertical)	Yingshan Formation—Yijianfang Formation	226.6	111.4×10⁴	0.784 3	3 855
Shuntuo 1	8		2015	7874.01(vertical)	Yingshan Formation—Yijianfang Formation		358×10⁴ (Estimated)	0.791 2	60 000
Shunbei 8X	8		2021	8396.00(tilted)/ 8178.01(vertical)	Yingshan Formation—Yijianfang Formation	290.7	105×10⁴	0.761 1	2 749
Shunnan 4	16		2013	6681.81(vertical)	Yingshan Formation		24×10⁴