Encyclopedia

Tubing Head

tubing head

[′tüb·iŋ ‚hed]
(petroleum engineering)
A spool-type unit or housing attached to the top flange on the uppermost oil-well-casing head to support the tubing string and to seal the annulus between the tubing string and the production casing string.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Tubing Head

 

a device for mounting a tubing string at the head of a flowing or gas-lift well; it is also used for the conduct of various production operations.

The tubing head makes it possible to suspend several tubing strings (for the simultaneous working of two or more beds at the same time through a single borehole), to install blowout prevention equipment and to seal the annulus between the tubing string and the casing string. The tubing head has a lateral opening through which oil, water, gas, or air is fed into the annulus between the casing string and the tubing in order to carry out production processes, such as stimulation of a flowing well or washing-out of sand plugs. The tubing head is connected to the head of the casing string from below and to the Christmas tree from above.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
Mentioned in
References in periodicals archive
He said the blowout occurred following gas leak in side valve tubing head spool.
Successful Well Kill Operation in Iran
Furthermore, wellhead or tubing head pressure by using the above mentioned correlations can be calculated by using the following equations respectively, however further detail can also be found in the literature (Beggs 1991; Beggs and Robinson 1975; Beggs and Brill 1973; Brill and Beggs 1978; Brown 1977; Economides et al.1994; Hagedorn and Brown, 1965).
PARALLEL DATA GENERATION FOR EFFICIENT DATA PREDICTION AND MATCHING FOR PRODUCTION WELLS
The pay zone delivered a test rate of ~ 558,000 scf/day @ 235 psi Tubing Head Pressure and is now 'shut in' for a pressure build up test.
Sino Gas And Energy Holdings Limited (ASX:SEH) Successful Raising and Significant Operations
CB10A-F1 flowed at a rate of 300 barrels of oil per day (bopd) with 6 mm bean at a flowing tubing head pressure of 250 psi.
Reliance announces fourth oil discovery at CB-ONN-2003/1
Davis-Standard develops a dual layer co-extrusion tubing head for the automotive industry.
New Products
The company has developed a dual layer co-extrusion tubing head. The main objectives of this head design are to eliminate the need for multiple stage processes, as well as meeting the evolving product specifications.
EQUIPMENT
During the TPO the pay zone flowed for 12 days at a stable gas rate calculated at 529,500 scf/day (~ 200 psi Flowing Tubing Head Pressure), well above Sino Gas's commerciality threshold.
Sino Gas And Energy Holdings Limited (ASX:SEH) Continues Extensive Reserve Expansion Work Program
The well has shown an initial rate of 85,000 cubic metres of dry gas per day (3.0 mscf/day) at a tubing head pressure of 40 bar (595 psi).
Aurelian Oil & Gas tests gas
A dual layer co-extrusion tubing head is said to eliminate the need for multiple stage processes.
EQUIPMENT
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