Technical Clarifications

Tubing Head & X-Mass Tree Assembly 3-1/16" 10000 PSI WP, All Material to be as per API 6A, Latest
Edition PSL-3, PR-2, Temperature. Class 'X' Material. Class 'EE'
S. No.
DESCRIPTION
Quantity Required.
Tubing Head spool assembly (Figure Attached). Each assembly
should be supplied in assembled form (As per attached Figure2) having following components.
18 Sets
OneTubing Head spool with bottom flange size 11" API 10000 PSI WP & top flange size
The bidder is required to Quote a
Lump Sump Price for the Complete
11" API 10000 PSI WP. The top of the spool to have tie down screws and bottom having Tubing Head Assembly .The price
double P/FS seals for 9-5/8" Casing and the two 2-1/16" API 10000 PSI WP Studded
should include all the accessories
Outlets having 1-1/2" VR Thread. All required accessories e.g. Allen Wrench etc. should
mentioned at Serial No 1.i to 1.v
be supplied with each tubing spool and placed in the box containing that spool with the Confirmation from bidder is required
following fitted Items as per attached Drawing figure No 02:
in Technical Bid that they have quoted
1
i. Two 2-1/16" 10000 psi WP Double Flanged gate valves, Including Hand wheel,(02
as per the required Format.
Nos./ THS Assy).
ii. Two 2-1/16" 10000 PSI W.P Double Studded Instrument flanges, with 3/4" & 1/2"
NPT taps (plugged),(02 Nos/THS Assy).
iii. Two 2-1/16" 10000 psi WP' Blind flanges with 1/2" Tap (plugged),(02 Nos/THS
Assy).
iv. Two 1/2" NPT, 10000 psi WP Straight Needle valves (Male x Female), Super Trim,
316 ST/STL. These valves are to be shipped loose inside the box containing every tubing
spool assembly,(02 Nos./THS Assy).
v. One complete set of studs, nuts and ring gaskets required to assemble the above
components,(01 Set / THS Assy).
Accessories for the tubing head spool assemblies to be supplied loose
with each tubing spool assembly in the same box
2
Studs (each with 02 Nuts), size 1-3/4" x 15-1/4 " , Zn/Cad/PTFE coated, Material A193
GR B7
288
3
Gasket, Self Sealing Ring ST/STL BX-158
18
4
11" Nom. Bore Wear Bushing, for Tubing Head Spool at Serial No 1.
18
Tool for Installation & Removal of Wear Bushing at Serial No 3 with 3-1/2" IF Box (
5
Bottom & Top). The Tool may also be used for testing the BOP including the provision to
test the Blind rams also (The bidder to confirm).
6
Reducer bushing assembly, 9-5/8" x 7" casing with two P/FS seals, MC 'EE' in case the
spool is to be used on 7" casing (drawing attached At Figure-3).
18
9
Tubing Hanger; 11", 10,000 psi W.P with an extended seal neck having two 1/4"
continuous Control Lines Prep. with all necessary fittings for control line installation ; 37
1/2" 12.95 lbs/ft PH-6 premium threads (Box) top & bottom, along with 3-1/32"
5
Cameron type 'H' BPV threads or equivalent and 100% interchangeable, Compatible to S.
No. #01 .(Hanger Setting must not require any alignment)
Tubing Hanger; 11", 10000 psi W.P with an extended seal neck having two 1/4"
continuous Control Lines Prep. with all necessary fittings for control line installation ; 38
1/2" 10.3 lbs/ft CS Hydril premium threads (Box) top & bottom, along with 3-1/32"
Cameron type 'H' BPV threads or equivalent and 100% interchangeable, Compatible to
quoted tubing spool. (Hanger Setting must not require any alignment)
15
Tubing Head & X-Mass Tree Assembly 3-1/16" 10000 PSI WP, All Material to be as per API 6A, Latest
Edition PSL-3, PR-2, Temperature. Class 'X' Material. Class 'EE'
Christmas tree/Gate Valve Assembly (Figure Attached ). Each
assembly should be supplied in assembled form having
following components.(As per attached Figure -1)
15 Sets.
The bidder is required to Quote a
i. One 11" API 10000 PSI WP Bottom x 3-1/16" API 10000 PSI WP double studded Pack-off
Lump Sump Price for the Complete XMass Tree/ Gate Valve Assembly. The
flange; with Two 1/4" Control Lines Prep, along with all necessary fittings for continuous control price should include all the accessories
line installation; ( For Tubing Hanger at S. No. 7 & 8),(01 No. /X-Mass Tree Assy).
ii. Six 3-1/16" 10000 psi WP Double Flanged gate valves, including Hand wheels. One each as
LMV & swab valve and two on each wing,(06 No. /X-Mass Tree Assy).
iii. One 3-1/16” 10000 PSI W.P. hydraulically actuated gate valves as UMV. Each with manual
override (hand wheel to be provided) and fusible hold open device,(01 Nos. /X-Mass Tree
mentioned at Serial No 7.i to 7.x.
Confirmation from bidder is required
in Technical Bid that they have quoted
as per the required Format.
Assy),
9
iv. One 3-1/16" x 3-1/16" x 3-1/16" x 3-1/16" API 10000 PSI WP studded cross,(01 No. / XMass Tree Assy).
v. One OTIS type 3-1/16" 10000 PSI WP X-Mass Tree cap with 3.1/2" CS Hydril, 10.3 lb/ft
Female Pickup Threads and blanking Plug Tapped with 1/2" NPT threads (plugged),(01 No. /XMass Tree Assy).
vi. Two 3-1/16" 10000 PSI W.P. double studded instrument flanges with 3/4" & 1/2" NPT taps
(plugged),(02 No. /X-Mass Tree Assy).
vii. One adjustable choke assembly, angle type, 3-1/16" 10000 PSI WP (BX-154) Inlet and Outlet
Flanged connections, 3/4" maximum orifice, Tungsten Carbide stem & seat. Hand wheel
operated and complete with Choke Spanner,(01 No. /X-Mass Tree Assy).
viii. One positive choke assembly, 3" Nom with 3-1/16" 10000 PSI WP (BX-154) Inlet and Outlet
Flanged connections,(01 No. /X-Mass Tree Assy).
ix. Two 3-1/16" 10000 PSI WP companion flanges with 3" Sch 120 Weld Necks,(02 No. /XMass Tree Assy).
x. One complete set of studs, nuts and ring gaskets required to assemble the above
components,(01 Set/X-Mass Tree Assy).
Accessories for the Christmas Tree assemblies one each (S.No.9 to
30.11) to be supplied loose in the same box.
10
11
12
1/2" NPT, 10000 psi WP Angle Needle valves (Male x Female), Super Trim, 316 ST/STL.
Thermo well ( Compatible with 3-1/16", 10K, Double Studded Instrument Flange at Sr # 9
(vi), 316 ST/STL
Temperature Gauge, 4" Dial , Range 32° F to 250° F (Compatible with thermo well at Sr #
11, 316 ST/STL
13
Pressure Gauge, 4" Dial , 0-10000 PSI Pressure
14
Tung Carbide insert 16/64", 20/64", 24/64", 28/64", 32/64", 36/64", 40/64", 42/64",
Set of beans consisting one each of Bean, Flow Nom 3" Positive Choke with HEX HD and
44/64", 48/64", 52/64",56/64" & 64/64"Orifice
15
16
Bean Wrench, 3" Nom Positive Choke.
Valve, Back Pressure, 3" Nom. Type 'H' , 3-1/32" OD , 4 T.P.I L.H Thread 3.1/2" OD
Tubing, Super Trim W/Inconel X-718 Body (For Tubing Hanger at S. No. 7 & 8)
15
15
30
30
15 Sets.
15
15
17
Back Pressure Valve Insertion Tool for BPV/Check Valve at Serial No 16.
15
18
Back Pressure Valve Removal Tool for Serial No 16.
15
Tubing Head & X-Mass Tree Assembly 3-1/16" 10000 PSI WP, All Material to be as per API 6A, Latest
Edition PSL-3, PR-2, Temperature. Class 'X' Material. Class 'EE'
19
Hydraulic Pump for testing the tree with connecting pressure manifold, API 10000 PSI
W.P
15
20
Flange , 2-1/16" 10000 psi W. P w/ Fig 1502 Connection
15
21
Flange , 3-1/16" 10000 psi W. P w/ Fig 1502 Connection
15
Accessories for the Christmas tree assemblies to be supplied loose separately
15
22
Adapter Flange to connect the Lubricator to the X-Mass Tree Top.
23
Lubricator Assembly with 16 foot Polished Rod along with C & Friction Wrenches.
5
24
Two Way Check valve for Tubing Hanger at serial no 7and 8.
5
25
26
27
28
Adaptor flange, double studded " 13-5/8" 5,000 lbs. X 11" 10,000 lbs wp, complete with
studs/nuts and ring gaskets.
Adaptor flange, double studded " 13-5/8" 10,000 lbs. X 11" 10,000 lbs wp, complete with
studs/nuts and ring gaskets.
Adaptor flange, double studded ,11" 10,000 lbs. X 11" 5,000 lbs wp, complete with
studs/nuts and ring gaskets.
3-1/16" 10000 psi WP Double Flanged gate valves, including Hand wheels.
One 11" API 10000 PSI WP Bottom x 3-1/16" API 10000 PSI WP double studded Pack-off
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flange; with Two 1/4" Control Lines Prep, along with all necessary fittings for continuous
control line installation; ( For Tubing Hanger at S. No. 7 & 8),(01 No. /X-Mass Tree Assy).
30
30.1
30.2
3
3
10
10
3
Recommended Repair Kits (Complete description/part number/unit Price of all the
items in each repair kit must be provided in the technical bid).
Repair Kits for Tubing Head Spool (Each kit consisting of two Spare 9-5/8" P/FS seals
,Retainer wires & any other part essentially required to service the spool..
Repair Kits for Reducer bushing assembly (Each kit consisting of two Spare 7" P/FS seals).
03 Sets.
03 Sets.
Repair kits for 2-1/16" Gate valves (Each kit consisting of necessary Shear pins, Bearings,
30.3
O-Rings, Back Up Rings, seals & any other part essentially required to service the valve.
03 Sets.
However kit may not include major items e.g. gate etc.)
Repair kits for 3-1/16" Gate valves (Each kit consisting of necessary Shear pins, Bearings,
30.4
O-Rings, Back Up Rings, seals & any other part essentially required to service the valve.
05 Sets.
However kit may not include major items e.g. gate etc.)
Repair Kits for Hydraulic actuators (Each kit consisting of necessary Shear pins, Bearings,
30.5
O-Rings, Back Up Rings, seals & any other part essentially required to service the valve.
05Sets.
However kit may not include major items e.g. major metallic parts etc.)
30.6
Repair kits for bonnet flange(01 set consisting of 02 Numbers of Seals, etc).
05 Sets.
30.7
Repair Kits for X-Mass Tree cap (01 set consisting of 02 Numbers of Seal ,etc)
05 Sets.
30.8
Repair kits for BPV (01 set consisting of 02 Numbers of Seals/O-Rings, etc)
05 Sets.
30.9
Repair Kits for tubing hanger (01 set consisting of 02 Numbers of Seals/O-Rings, etc)
05 Sets.
30.10
Repair kits for Positive choke (01 set consisting of 02 Numbers of Seals/O-Rings, etc)
05 Sets.
30.11
Repair Kits for Adjustable choke (Each set consisting of one Stem & seat & ORings/Seals etc).
15 Sets.
Tubing Head & X-Mass Tree Assembly 3-1/16" 10000 PSI WP, All Material to be as per API 6A, Latest
Edition PSL-3, PR-2, Temperature. Class 'X' Material. Class 'EE'
A) REQUIREMENTS FOR ADMISSION TO THE DETAILED TECHNICAL EVALUATION OF THE BID: Every bidder must fulfill the following
conditions in order to qualify for the detailed technical evaluation, all the required supporting documents must be attached with the
technical bid. Any technical bid without the required supporting documents or not fulfilling the conditions from Point 1-14 given
below in this section will not be considered for Technical Evaluation.
1
In case the bidder and the Manufacturer are different, then the bidder must provide an Authority letter/OEM certificate (in original)
from the Manufacturer with the technical bid. The letter must be on company letter head, showing the name and contact details (Email & fax number) of the signing authority.
The manufacturing plant(s) must be certified by API for the last 5 consecutive years from the date of tender opening under Specs.
API 6A & Q1, the bidder to provide copies of the relevant certificates as a proof (no breaks will be acceptable). In case any of the
2
items from the complete Package of X-Mass Trees assemblies and accessories are to be manufactured at any other third party
facility/company then the bidder to identify that specific item and also provide the API 6A certificate of the third party facility/
company for the last consecutive 5 years
The manufacturer(s) must have manufactured & supplied X-Mass trees to the multinational E&P companies and other renowned E &
P companies (not belonging to the manufacturer's country) in excess of 500 sets during the last five years, the supply record must
3
confirm this fact. The Supply record only for the complete sets of X-mass trees should be submitted and it should also specify the
contact person's Name, Designation and Contact details inclusive of email. address of the customers. The bidder must ensure that
the relevant E-mail/Fax is valid in order to confirm the authenticity of the supply record. Trees sold to supply houses etc. will not be
considered.
In case of a local Manufacturer who is claiming the price preference, the bidder to provide the following details regarding each item
that it is being manufactured locally or being imported in finished form or being imported in semi-finished form. The bidder must
4
provide following information regarding the items imported if finished or semi-finished forms.
i- In case of items that are imported in finished form, the bidder must Identify the name of manufacturer and provide authority
letter(s) and API-6A certificate(s).
ii- In case of items that are imported in semi-finished form, the bidder must Identify the name of manufacturer(s).
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6
Only forged tubing spool, bonnet flange, cross, gate valves, flanges etc. will be acceptable, bidder to provide a clear cut confirmation
in this regard in the technical bid.
The gate valves with split gates are not acceptable, only solid gates are acceptable. Bidder to provide a clear cut confirmation in this
regard in the technical bid.
If the bidder has not already supplied X-Mass to OGDCL then certificates of satisfactory performance issued by authorized officials
of at least 3 different multinational E&P companies or other renowned E & P companies (not belonging to the manufacturer's
7
country) regarding the X-mass trees must be provided with the bid. The certificates must be on the company letterhead and should
indicate the Name & Designation of the signing authority along with his complete contact details including his official email address.
The bidder must ensure that the relevant E-mail/Fax is valid in order to confirm the authenticity of the Certificate. Certificates issued
by supply houses etc. will not be considered.
The bidder must provide a signed & stamped certificate with the bid that it can arrange a service engineer at any OGDCL location in
Pakistan on as and when required basis with a notice period not exceeding 5 calendar days. NOTE: i) The services contract may be
executed separately subject to the placement of order for the X-mass trees. (ii)The bidder or its local representative will be
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responsible for ensuring that the Visas or security clearance for the of Service Engineers is always available in order to meet any
emergent operational requirement.
iii) The service engineer must carry all the essential tools required for installation of X-mass tree .
iv)
Rates of service engineer must be quoted seperately and not to be included in material price
v)Service engineer charges will not be part of financial evlaution it is required for technical evaluation only.
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The desired delivery period is 6 months C&F Karachi/FOR after L/c establishment. Bids with more than 06 months delivery period
may not be considered for detailed technical evaluation.
The bidder to confirm clearly in the technical bid that the material test certificates will be provided with the shipping documents.
Bidder must provide detailed drawings and installation procedures in hard and soft copy of the quoted equipment along with the
technical bid.
Tubing Head & X-Mass Tree Assembly 3-1/16" 10000 PSI WP, All Material to be as per API 6A, Latest
Edition PSL-3, PR-2, Temperature. Class 'X' Material. Class 'EE'
12
13
14
Bidder to confirm that all possible assistance will be provided to the third Party Inspection (TPI) company nominated by OGDCL,
and TPI report verified by OGDCL will provided with the shipping documents for LC encashment.
The evaluation will be carried out on complete package, bidder to provide acceptance in the technical bid.
The bidder to submit original print of the annual audited accounts reports for the last 3 consecutive years (along-with attested
English Copies) with the technical bid in order to verify the liquidity position, revenues, profitability of the company.
Detailed Specifications: The bidder should quote all the items in light of the following specifications and provide a compliance certificate
confirming to all the requirements have been fulfilled.
1
2
3
4
5
X-Mass Trees & the tubing head spools to be shipped in assembled form as shown in the attached figures, these assemblies must
also be pressure tested. Only Tubing Hanger, extra bonnet flanges and other accessories to be shipped loose.
The bidder is to quote the prices of the above items, however, any other item which is essentially required and not listed above must
also be quoted.
The complete item wise list of accessories and spares for the above items indicating unit cost and part number of each spare and
accessories should be provided along with the bid.
Studs with either Cadmium or Zinc plating or PTFE coating are acceptable.
The Gate Valves must also fulfill following requirements:
5.1
The Split gates are not acceptable. Only solid gates are acceptable.
5.2
Body bushing must be free floating (pressed in body bushings are not acceptable).
5.3
Gate must seal metal to metal against the body bushing and body bushing must seal metal to metal against valve body i.e. all seals
must be metal to metal.
5.4
Stem must be non rising type
5.5
Valve stem and bonnet must have back seating feature (metal to metal) to allow stem packing change while under pressure.
5.6
Sealant injection ports on the valve body are not acceptable.
5.7
5.8
6
The stem packing should be non-elastomeric and protected by a Teflon jacket against the well bore fluids No Chevron or lip type
seals are acceptable.
The Manual Gate valves should be Two Way while Hydraulically Actuated Gate Valves should be One Way.
OGDCL will arrange Third Party Inspection (TPI), on its own expenses, in three stages, the tentative scope of inspection is as
follows, the bidder to confirm that necessary assistance will be provided to the TPI.:
6.a Preparation of preliminary report for material acceptability before the start of manufacturing process
6.b Confirm that the product specification is as per contract during the manufacturing process
6.c Preparation of pre-delivery inspection report in light of the certificates
For fulfillment of this scope following steps must be taken as a minimum
i. Conduct chemical and mechanical tests of each heat of steel (Raw material/Billet) to be used in production of the ordered material in order to
ensure same is per contract.
ii. Review the manufacturing process of the ordered material
iii. Review of material tracing/tracking procedure
iv. Review of heat treatment and hydrostatic test report (where applicable)
v. On spot visual and dimensional inspection of the complete lot
vi. Vetting of marking, packing/bundling and quantity as per contract
vii. After the completion of 50% of Manufacturing/Machining, stage inspection for Manufacturing & Quality control Reports.
viii. Upon completion of the Manufacturing /Machining and prior to shipment Third Party inspection for witnessing hydro testing /Drift Testing
and other recommended tests as per API 6A.

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