(19)
(11) EP 0 238 601 A1

(12)

(43) Date of publication:
30.09.1987 Bulletin 1987/40

(21) Application number: 86905880.0

(22) Date of filing: 29.09.1986
(51) International Patent Classification (IPC): 
E21B 23/ 03( . )
E21B 47/ 06( . )
 E21B 47/ 01( . )
E21B 49/ 08( . )
(86) International application number:
PCT/GB1986/000577
(87) International publication number:
WO 1987/002095 (09.04.1987 Gazette 1987/08)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 28.09.1985 GB 19850023951
18.01.1986 GB 19860001223

(71) Applicant: WIERZBA, Patricks, Willard
Aberdeen AB1 0JU (GB)

(72) Inventor:
  • WIERZBA, Patricks, Willard
    Aberdeen AB1 0JU (GB)

   


(54) GAUGE CARRIER FOR INCORPORATION INTO TUBING FOR FLOW-TESTING OF OIL AND GAS EXPLORATION WELLS