渤南油田注采二次不完善状况分析及对策研究

Analysis of Secondary Incompletion of Inject ion-Production Pattern and Relevant Countermeasures in Bonan Oilfield

高保国1 盛立江1 蔡勇胜1

( 1 胜利油田分公司河口采油厂, 山东东营257200; 2 胜利油田分公司地质科学研究院, 山东东营257015 )

 Hekou Oil Production Plant, Shengli
O ilfield Company, SINOPEC, Dongying 257200,
China

Founda tion o f stab le production o f low perm eab ility
reservo ir, in Bonan O ilfie ld, is underm ined by incomp le tion
o f injection - produc tion pa ttern. It has been found, by
study ing the va riation laws of num ber o f injection we lls and
change of co rresponding ra te of injection-production,
analyzing the factors affec ting in jection w e lls, tha t the two
ch ie f reasonss causing the incomp letion are g iven. Such
proposa ls, such as the fine treatm ent of wa ter, m odifica tion o f
o il bed and transform ation of production w e l,l we re proposed.
A fter these m easu rem ents have been taken, the w ate r qua lity
has been obv iously im proved, 43 effic ient in jection locations
have been improved or restored and the production effects
have becom e outstanding ly w el.l