公开(公告)号：US2773550A

公开(公告)日：1956-12-11

申请号：US33600753

申请日：1953-02-09

Applicant: OIL BASE

Inventor： WILSON DOYNE L

IPC: C09K8/54 ,  E21B41/02

CPC classification number: C09K8/54 ,  E21B41/02 ,  Y10S166/902

公开(公告)号：US2604448A

公开(公告)日：1952-07-22

申请号：US7798349

申请日：1949-02-23

Applicant: OIL BASE

Inventor： WILSON DOYNE L

IPC: C09K8/32

CPC classification number: C09K8/32 ,  Y10S507/91

公开(公告)号：US3099624A

公开(公告)日：1963-07-30

申请号：US2956660

申请日：1960-05-17

Applicant: OIL BASE

Inventor： WILSON DOYNE L

IPC: C09K8/32

CPC classification number: C09K8/32 ,  Y10S507/91

公开(公告)号：US3063941A

公开(公告)日：1962-11-13

申请号：US46723954

申请日：1954-11-05

Applicant: OIL BASE

Inventor： WILSON DOYNE L

IPC: C10M169/00

CPC classification number: C10M5/00 ,  C10M2201/04 ,  C10M2201/041 ,  C10M2201/042 ,  C10M2201/066 ,  C10M2203/104 ,  C10M2203/106 ,  C10M2207/125 ,  C10M2207/129 ,  C10N2210/01 ,  C10N2210/03 ,  C10N2250/10

公开(公告)号：US2782163A

公开(公告)日：1957-02-19

申请号：US32060452

申请日：1952-11-14

Applicant: OIL BASE

Inventor： WILSON DOYNE L

IPC: C09K8/28

CPC classification number: C09K8/28 ,  C09K2208/18

公开(公告)号：US3634235A

公开(公告)日：1972-01-11

申请号：US3634235D

申请日：1967-12-21

Applicant: OIL BASE

Inventor： WILSON DOYNE L ,  BENNETT ROBERT B

IPC: C09K8/32 ,  C10M1/08

CPC classification number: C09K8/32 ,  Y10S507/91

Abstract: PRE-TEATMENT OR POST-TREATMENT OF OIL BASE DRILLING FLUIDS FOR OIL WELL APPLICATIONS FOR PURPOSES OF STABILIZING THE FLUID AGANINST DETERIORATION UPON CONTAMINATION WITH WATER BASE DRILLING FLUIDS, WITH OR WITHOUT CLAY SOLIDS, IS EFFECTED BY ADDING TO THE OIL BASE FLUID AN AMPHOTERIC SURFACE-ACTIVE AGENT CONTAINING BOTH ANIONIC AND CATIONIC SURFACE-ACTIVE GROUPS. EXEMPLARY COMPOUNDS WHICH ARE EXTREMELY EFFECTIVE SUFACE-ACTIVE AGENTS IN THE FUNCTION ARE AMINES AND BETAINES WHICH CONTAIN ONE OR MORE CARBOXYL OR CARBOXYLATE GROUPS. ENHANCED EFFECTS ARE ALSO AVAILABLE EMPLOYING SUCH AMPHOTERIC COMPOUNDS WITH SUFONATE TYPE ANINIC SURFACE-ACTIVE AGENTS.

公开(公告)号：US2801967A

公开(公告)日：1957-08-06

申请号：US53391755

申请日：1955-09-12

Applicant: OIL BASE

Inventor： WILSON DOYNE L

IPC: C09K8/32

CPC classification number: C09K8/32 ,  Y10S507/91

公开(公告)号：US2698833A

公开(公告)日：1955-01-04

申请号：US30629952

申请日：1952-08-25

Applicant: OIL BASE

Inventor： WILSON DOYNE L

IPC: C09K8/28

CPC classification number: C09K8/28 ,  Y10S507/905 ,  Y10S507/907