摘要
千米桥潜山构造位于黄骅坳陷北大港构造带。位于该构造的板深 7井在奥陶系地层试油 ,获日产凝析油 143 .36吨 ,日产气 2 75 30 9m3。这一重大发现标志着大港油田古潜山的勘探获得重大突破。千米桥潜山凝析油气主要来自板桥凹陷Es33 段偏腐殖型烃源岩 ,油气在沙一段沉积时期进入潜山 ,明化镇组沉积时期是油气大量运聚、成藏时期。千米桥潜山属于气侵型凝析气藏 ,并具多期成藏的特点。板深 4井油气藏受到扩散作用的影响。气侵是造成凝析油高含蜡的主要原因。
The Qianmiqiao buried hill is located in the Beidagang structural belt in the Huanghua depression. Well Banshen 7 produces oil {143.36} t/d,and gas {275309} m+3/d, showing an important discovery for buried hill reservoir exploration in the Dagang Oilfied.It belongs to the gas cut-type gas condensate reservoir. The reversion for the buried hill in Qianmiqiao is characterized by multiphase reservoir formation. Reservoir for Well Banshen 4 is affected by diffusion. Gas cut is the principal factor leading to high-wax in Wells Banshen 7, 8 and 4.
出处
《地质地球化学》
CSCD
2001年第2期52-57,共6页
Geology-Geochemistry
