Gulf Oil and Gas accountACCOUNT
Supply of Tubing Head Spool
Casing, Tubing & Drill Pipes
Reference SSG1496P17/05
Date 6/16/2016
Location Asia
Scope The company invites bids for the supply of the following items:-

* Item 001 Qty= 4 NO, Tubing Head Spool for Tubing head assembly, 228.6 mm (9 inch) x 279.4 mm (11 inch), 704 Kg/Cm2 (10,000 psi) W.P., with provision for installation of SCSSSV, conforming to API specification 6A, latest edition.

- Tubing Head Spool, Straight Bore Bowl design with a landing shaller to accept mandrel type tubing hanger as described under material code 03548335. The tubing head spool shall be designed conforming to API specification 6 A latest edition, API monogram shall be engraved on the body of the spool. It shall have the following minimum requirements & provisions
- Material: Minimum 75 K API forged steel
- Product specification level: 3
- Performance requirement; PR1
- Material Class / Retained Fluid Service: AA
- Temperature Rating: U
- Working Pressure: 704 Kg./Cm2 (10,000 psi)
- Test Pressure: 1056 Kg./Cm2 (15,000 psi)

- Top Connection:
. Type: Flanged RTJ API type 6 BX
. Size: 228.6 mm (9 inch), BX 157
. W.P.: 704 Kg.Cm2 (10,000 psi)
. Top flange shall be provisioned for Tie-down Screws, to be designed with packing in front of the threads to prevent contamination of the threads by Well Bore Fluids and eliminate a buildup of solids behind the tie-down screws which might prevent retraction. These shall also be provided external oil seals on tie-down screws to protect the threads from atmospheric corrosion.

- Bottom Connection:
. Type: Flanged, RTJ, API type 6 BX
. Size: 279.4 mm (11"); BX 158
. W.P.: 704 Kg./Cm2 (10,000 psi)

Bottom Preparation: Suitable preparation to accept removable type Bit pilot / Bit guide and plastic injection type secondary seal assembly as described under material code 03548327 injection testing port facilities including requisite port check valves installed with inner & outer plug for extra safety. Preparation shall be such that it retains the secondary seal assembly in place independently by means of snap or retainer ring without resting on the primary seal. The design of the secondary seal assembly shall be such that it must seal off the casing independently irrespective of make and type of primary seal assembly.

- Side Outlets: Two diametrically (180 deg. apart) opposite side outlets to be provided as under:
. Type: Studded RTJ, API 6 BX complete with Stud Bolts & Nuts made up.
. Size: 52.4 mm (2.1/16"); BX 152 ring groove
. Working Pressure: 704 Kg./Sq.Cm (10,000 psi)
. Both side outlets are to be provided with 1.1/2" V. R. Threads.
. Requisite nos. of studs & nuts shall be supplied.

* Item 002 Qty= 4 NO, Accessories for Tubing Head Spool:

Bit Pilot / Guide and Externally Energized, Removeable Type Secondary Seal Assembly, 7" CSG for Tubing Head Assembly, 228.6mm(9") x 279.4mm(11"), 704 kg/cm2 (10,000 psi) W.P., with provision for installation of SCSSSV, conforming to API specification 6A, latest edition.

Bit Pilot to be used in conjunction with secondary seal assembly for installation in tubing head spool as described under material code 03-54-8628 and held in place by snap / retainer ring. The bit pilot shall be such that it prevents casing & secondary seal assembly from getting damaged during running in of any down hole tools.

Removable, plastic injection type Secondary Seal Assembly, 10,000 psi W.P. to suit bottom preparation of tubing head spool as described under material code 03-54-8628 and to seal off 177.8 mm (7") OD casing complete with requisite quantity of packing sticks, snap / retainer rings and other related accessories. The design of the Secondary Seal shall be such that when it is housed in the bottom flange of the tubing head spool, it shall be held in place by snap / retainer ring and must be capable of sealing off the casing independently without resting on primary seal.

Redress kit: One set of complete redress kit shall be supplied with each seal assembly comprising of all seal rings/elasotmers, snap/retainer rings.

* Item 003 Qty= 4 NO, Tubing Hanger, Suspension Mandrel Type 3.5" Vam Top for Tubing Head Assembly, 228.6mm(9") x 279.4mm(11"), 704 kg/cm2 (10,000 psi) W.P., with provision for installation of SCSSSV, conforming to API specification 6A, latest edition.

Tubing hanger single completion, suspension mandrel type with extended seal necks complete with additional upper seal ring to be energized by pack off adapter flange as described under Mat Code: 03548345 and lower seal rings to be energized by the tubing weight. The hanger shall be threaded with VAM Top box threads at both top & bottom for lifting & hanging 88.90mm (3.5 inch) OD, 13.69 kg/m (9.2 ppf) tubing. The hanger shall be provisioned for the following:

i) B.P.V. threads for installing 76.2 mm (3.0 inch) back pressure valve.
ii) Two diametrically (180 apart) opposite ports of suitable size through tubing hanger with 12.7 mm (1/2 inch) NPT end preparation to received 6.35 mm (1/4 inch)continuous control lines to operate down hole SCSSSV.
iii) All metal to metal seals.

The tubing hanger shall be made out of forged steel meeting at least API 75K, PSL-3, -AA, R-1 materials. The working pressure shall to 704 kg/cm2 (10,000 psi). The hanger shall be fitted with requisite numbers of seal rings and suitably protected to prevent from transit damage.

Redress Kit: One set of complete redress kit shall be supplied with each hanger comprising of all seat rings/elasotmers.

* Item 004 Qty= 4 NO, Pack -Off Adapter Flange 3.1/16" X 9", 10,000 PSI for Tubing Head Assembly, 228.6mm(9") x 279.4mm(11"), 704 kg/cm2 (10,000 psi) W.P., with provision for installation of SCSSSV, conforming to API specification 6A, latest edition.

Pack-off Adapter Flange, API monogramed , to fit over extended seal neck tubing hanger as described under Mat Code: 03548335 to provide a secondary seal and to be installed over the tubing head spool as described under Mat Code: 03548628. The adapter flange shall have two diametrically (180 apart) opposite suitably designed exit ports for surface controlled subsurface safety valve continuous control line of 6.35 mm(1/4") received through the tubing hanger as described under Mat Code: 03548335. The exit ports shall have 12.7 mm (1/2" NPT) connection for operation of SCSSSV. The pack-off Adapter Flange shall have the following features:

- Material: Forged, Steel, Minimum API 75 K, PSL-3, U-AA, PR-1.
- Top: Studded, RTJ, API 6BX.
- Size: 77.78mm (3.1/16"), 5,000 psi WP., BX 154.
- Bottom: Flanged, RTJ, API 6BX.
- Size: 228.6 mm (9"), 704 kg/cm2, (10,000 psi) W.P. BX 157.
- One no BX 157 RTJ gasket and requisite nos. of studs & nuts shall be supplied.

* Item 004 Qty= 4 SET, Tools & Accessories for Tubing Head Assembly, 228.6mm(9") x 279.4mm(11"), 704 kg/cm2 (10,000 psi) W.P., with provision for installation of SCSSSV, conforming to API specification 6A, latest edition.

Tools and Accessories for above mentioned Tubing head assembly (comprising of items with material codes 03548628, 03548327, 03548335 & 03548345)as per quantities mentioned below:
a) One no. 3" NB, 10,000 psi BPV.
b) One no.1.1/2" NB V.R. Plug, 10,000 psi.
c) Two set of Allen Wrench and one no. of plastic insertion gun.

Bidding Information

Bid Bond USD 1,300.00
Bond Validity 183 days
Offer Validity 90 days
Documents Price USD 100.00
Casing, Tubing & Drill Pipes
Related Prooducts: Casing, Tubing & Drill Pipes Blowout Preventers Ram, Rotary, Spherical & Annular Casing, Tubing & Drill Pipes Coiled Tubing Drill Bits and Cutters Extraction Equipment General Handling Tools Hoisting Systems Lubricating Equipment
Related Tenders: Blowout Preventers Ram, Rotary, Spherical & Annular Casing, Tubing & Drill Pipes Coiled Tubing Drill Bits and Cutters Extraction Equipment General Handling Tools

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