公开(公告)号：US20150322334A1

公开(公告)日：2015-11-12

申请号：US14651522

申请日：2013-09-06

Applicant: PETROCHINA COMPANY LIMITED

Inventor： Jiang YANG ,  Yongjun LU ,  Baoshan GUAN ,  Weixiang CUI ,  Xiaohui QIU

IPC: C09K8/68 ,  E21B43/26

CPC classification number: C09K8/68 ,  C09K8/602 ,  C09K2208/30 ,  E21B43/26

Abstract: The present invention relates to viscoelastic fracturing fluids comprising one or more zwitterionic surfactants having multiple hydrophobic and hydrophilic groups. The viscoelastic fracturing fluids can be used to stimulate reservoir and increase oil and gas production.

Abstract translation: 本发明涉及包含一种或多种具有多个疏水和亲水基团的两性离子表面活性剂的粘弹性压裂流体。 粘弹性压裂液可用于刺激油藏，增加油气产量。

公开(公告)号：US20170009576A1

公开(公告)日：2017-01-12

申请号：US15201654

申请日：2016-07-05

Applicant: PetroChina Company Limited

Inventor： Haiyan WANG ,  Yongjun LU ,  Baoshan GUAN ,  Xiaohui QIU ,  Hua MING ,  Ping LIU ,  Wen ZHAI

IPC: E21B49/02 ,  E21B43/26

CPC classification number: G01N33/24 ,  C09K8/72 ,  G01N11/00

Abstract: A performance testing device for acid fracturing fluid includes: two semiterete rock core holders, the flat face sides of the two semiterete rock core holders being arranged opposite to each other; the two semicircle sides of the two semiterete rock core holders being provided with a rotation member which is opened with a first groove; the two semiterete rock core holders being able to rotate about a first rotation axis formed corporately by the two rotation members; a pressure applying shell having a recessed portion that matches with the curved face side, the recessed portion being able to cooperate with the curved face side, the pressure applying shell being able to apply a pressure to the two rock core holders to bring the two flat face sides thereof together.

Abstract translation: 酸压裂液性能试验装置包括：两个半圆岩芯夹持器，两个半圆岩芯保持器的平面相互相对布置; 两个半圆岩芯保持器的两个半圆形侧面设置有旋转构件，该旋转构件用第一凹槽打开; 两个半圆岩芯保持器能够围绕由两个旋转构件共同组成的第一旋转轴线旋转; 所述压力施加壳体具有与所述曲面侧匹配的凹部，所述凹部能够与所述曲面侧配合，所述加压外壳能够对所述两个岩芯保持器施加压力，以使所述两个平面 面对在一起。