GB1478724A - Ram type blowout preventer - Google Patents
Ram type blowout preventerInfo
- Publication number
- GB1478724A GB1478724A GB3284175A GB3284175A GB1478724A GB 1478724 A GB1478724 A GB 1478724A GB 3284175 A GB3284175 A GB 3284175A GB 3284175 A GB3284175 A GB 3284175A GB 1478724 A GB1478724 A GB 1478724A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ram
- packing
- housing
- members
- pair
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000012856 packing Methods 0.000 abstract 5
- 101100328887 Caenorhabditis elegans col-34 gene Proteins 0.000 abstract 4
- 230000003014 reinforcing effect Effects 0.000 abstract 2
- 238000007789 sealing Methods 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
- E21B33/061—Ram-type blow-out preventers, e.g. with pivoting rams
- E21B33/062—Ram-type blow-out preventers, e.g. with pivoting rams with sliding rams
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
1478724 Wells &c S A ARZUMANOV A A DANIELIANTS K S O ALIVERDIZADE G N O SEIDOV A T O RASI-ZADE B O FRENKEL and Y A SAMOILOV 6 Aug 1975 32841/75 Heading E1F A ram type blowout preventer includes a housing 1 having converging side walls 3 and a pair of tapered rams 4, each ram 4 consisting of a resilient packing 7 containing radially disposed reinforcing members 8 and a packing holder consisting of at least two members 19, 20 coupled together and movable relative to each other in a direction transverse to the direction of movement of the ram 4. The converging walls 3 of the housing 1 may be provided by the housing itself as shown in Fig. 2 or may be provided by triangular inserts (not shown) fixed to the side walls of a conventional parallel sided ram housing. The packing 7 of each ram 4 consists of a resilient block containing reinforcing members 8, each member 8 (Fig. 8) consisting of horizontal tapered plates 9 joined by a vertical member 10 provided with an aperture 13. The inner ends 11 of the plates 9 are inclined to conform to the curved shape of the inner end of the ram 4 (see Fig. 2). The packing 7 is mounted on a holder consisting of a central member 15 fixed to the piston rod 18 of an hydraulic piston 30 and cylinder 29 assembly, and a pair of L-shaped side members 19, 20 which are connected to the central member 15, transverse movement of the side members 19, 20 being permitted by bolt 48 and slot 16 connections (Fig. 4). Alternatively the central member 15 may be omitted (not shown), the packing holder consisting of a pair of side members coupled together for relative transverse movement. The blowout preventer may be used for sealing against a well tool or for closing the well bore in the absence of a well tool.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3284175A GB1478724A (en) | 1975-08-06 | 1975-08-06 | Ram type blowout preventer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3284175A GB1478724A (en) | 1975-08-06 | 1975-08-06 | Ram type blowout preventer |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1478724A true GB1478724A (en) | 1977-07-06 |
Family
ID=10344787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3284175A Expired GB1478724A (en) | 1975-08-06 | 1975-08-06 | Ram type blowout preventer |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1478724A (en) |
-
1975
- 1975-08-06 GB GB3284175A patent/GB1478724A/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |