Tubing head spools are used to convert existing wellheads for E.S.P. use, attaches to casing spool.

COSCO Tubing Head Spools
All COSCO Tubing Head Spools are manufactured in Canada using only the highest quality North American open-die forgings. All of COSCO’s Tubing Head Spools comply with or exceed API 6A standards and NACE MR0175 / ISO 15156 material requirements.
- Top flange comes with four lock-screws as a standard.
- Top flange prepped for mandrel style COSCO Tubing Hanger.
- 45 degree landing shoulder for hanger, capable of supporting maximum loads.
- Can be used with two piece or three piece connector systems.
- Bottom flange comes prepped for secondary seal bushing.
Below are specifications for our standard Tubing Head Spools:
Standard units: API 6A 3000 PSI, PSL2, PR1, DD, PU.
In compliance with NACE MR0175 / ISO 15156 material requirements.
Performance Requirement PR-2 is available upon request.
Material classes “AA” through “FF” are available.
Standard Options:
- Spools can be ordered with no side outlets, or either one of the following options:
SSO: (2) - 2 1/16” 3000/5000 PSI Studded Side Outlets with 1.5” V.R. thread.
LPSO: (2) - 2” 3000/5000 PSI Line Pipe Side Outlets.
*SSO come complete with zinc plated ASTM A193 B7 studs and ASTM A194 2H nuts. - Specify if prep for secondary seal bushing is required.
- Material classes AA through FF available.
- Performance Requirement PR-2 is available upon request.
- 3000PSI units are standard, spools are also available with 5000PSI flanges.
(A) BOTTOM FLANGE | (B) TOP FLANGE | TUBING SIZE | PART NUMBER | ||||||
NOM. SIZE (INCHES) | PRESSURE (PSI) | NOM. SIZE (INCHES) | PRESSURE (PSI) | 2-3/8'' | 2-7/8'' | 3-1/2'' | S.S.O. | L.P.S.O. | NO SIDE OUTLETS |
7 1/16 | 3000 | 7 1/16 | 3000 | ✔ | ✔* | 150306 | 150307 | 150093 | |
7 1/16 | 3000 | 9 | 3000 | ✔ | ✔* | ✔ | 150308 | 150309 | 150305 |
9 | 3000 | 9 | 3000 | ✔ | ✔ | ✔ | 150414 | 150415 | 150413 |
11 | 3000 | 7 1/16 | 3000 | ✔ | ✔ | 150405 | 150406 | 150405 | |
11 | 3000 | 9 | 3000 | ✔ | ✔ | ✔ | 150400 | 150399 | 150407 |
13 5/8 | 3000 | 11 | 3000 | ✔ | ✔ | ✔ | 100242 | 150412 | 150411 |
*PRODUCTION CASING MUST BE 5 1/2'' DIAMETER OR LARGER