利用砾岩储层有利沉积相带研究油藏储量分布

Study on Reserves D istribution by Using the
Favorable Sedimentary Facies Tract of Conglomerate
Reservoir

宋子齐1 霍 威1 伊军锋1 王 宏1 潘 艇1, 2 陈鲲鹏1, 2

Song Ziqi , HuoWei, Y i Junfeng et al

1 西安石油大学, 陕西西安710065; 2 中原油田分公司, 河南濮阳457001

X i’an Shiyou University, X i’an 710065,
China

Based on the character istics tha t cong lom erate reservo ir􀀁s
inhom ogene ity and pore structure w ith com pos ite m ode l in
Ka ramay o il fie ld, the depositional fea ture of the foo th il-l
p luvian fac ies o f the low er Karam ay form ation in m idd le and
east area of the D istrict NO. 7 is c la rified. The pattern,
sca le, d istribution, planar deve lopm ent of m a in trough
m icrofac ies o f fanhead and its sand and grave l in low er
Ka ramay fo rm ation, as w ell as o i-l gas distribution, are
descr ibed. In add ition, the param eters that unit of reserv e
estim ate, o i-l bear ing area, effective th ickness, porosity,
saturation and so on are stud ied, and the o i-l g as reserves o f
each sing le sand-g rave l form ation in we ll blocks are
estim ated. The re lationsh ip of favo rable m ain trough
m icrofac ies and d istribution of o il reserves is ana lyzed and
d istr ibu tion o f o il reserv es is c la rified under the contro l o f
favorab le m ain trough m icrofac ies, wh ich prov ides a re liab le
basis fo r add ing reservo ir production and adjustm ent and
tapping potential