Lubricator section for a wellhead

Details Lubricator section for a wellhead Lubricator section for a wellhead

E - Fixed Constructions

21

B

166/47

E21B 33/03 (2006.01) E21B 33/072 (2006.01)

Patent

CA 1236006

MRR250985 ABSTRACT LUBRICATOR SECTION FOR A WELLHEAD A lubricator section 15 for use in servicing a well, is constructed so as to require no welds or threads to connect box and pin union portions thereof to a tubular body. The box and pin union portions 18 and 19 respectively are formed on the ends of tubular body 17. A shoulder 19c, 19d serves to retain connecting collar 21 on the pin end by co-operation with lugs 22a on ring segments 22 captive between the collar 21 and the tubular body 17. A bleed valve 14 (Fig. 1) may be connected to the body 17 to permanently retain the collar 21 on lower larger diameter portion of the body 17, the segments 22 being insertable and removable only when the collar 21 is moved into register with an upper reduced outside diameter portion 17a of the body 17.

495939

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