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 Casing Heads Okk1, Okk2, Okk3, produced a factory, is intended for hanging of obsadnykh columns 426(16.3/4'), 324(.4/5'), 245(9.3/8'), 178(7'). 168(6.3/8'), 146(6'), 140(5.1/2') and disconnectors of intercolumnar spaces, leadthroughs of row of technological operations, op-tions of protivovybrosovogo equipment ( in the process of the boring drilling) and fountain armature (in the process of exploitation) on working pressure 14, 21, 35, 70, 105 Mpa (2000, 3000, 5000, 10000, 15000psi).
Overhead flanec, if it is not stipulated customer Du280 (11').
Class of materials of cabinet-type group and ele-ments of plug-formings organs of bolts to on special 6А API.
Temperature of working environment to +121оС. Ambient temperature from minus of 60оС to +40оС. An equipment is produced in obedience to the specification of 6А API on a temperature class from
L (-46oC to +82оС) to V (+2оС to +121оС).
| Parameters |
Type of product |
| ОКК1-21 |
ОКК1-35 |
ОКК2-21 |
ОКК2-35 |
ОКК2-70 |
ОКК3-35 |
ОКК3-70 |
ОКК3-105 |
Casing string diameter
D, mm |
219 (8.3/8)
245 (9.3/8) |
219 (8.3/8)
245 (9.3/8) |
299 (11.3/4)
324 (13.4/5)
340 (13.3/8)
|
299 (11.3/4)
324 (13.4/5)
340 (13.3/8)
|
299 (11.3/4)
324 (13.4/5)
340 (13.3/8)
|
426 (16.3/4) |
426 (16.3/4) |
426 (16.3/4) |
Casing string diameter, fastened in a pendant
D1, mm |
140 (5.1/2)
146 (6)
168 (6.3/8)
178 (7) |
140 (5.1/2)
146 (6)
168 (6.3/8)
178 (7) |
219 (8.3/8)
245 (9.3/8) |
- |
219 (8.3/8)
245 (9.3/8)
273 |
299 (11.3/4)
324 (13.4/5)
340 (13.3/8) |
299 (11.3/4)
324 (13.4/5)
340 (13.3/8) |
299 (11.3/4)
324 (13.4/5)
340 (13.3/8) |
Casing string diameter, fastened in a pendant
D2, mm |
- |
- |
140 (5.1/2)
146 (6)
168(6.3/8)
178(7) |
140 (5.1/2)
146 (6)
168(6.3/8)
178(7) |
140 (5.1/2)
146 (6)
168(6.3/8)
178(7)
194(7.3/8) |
219 (8.3/8)
245 (9.3/8)
273 (10.3/4) |
219 (8.3/8)
245 (9.3/8)
273 (10.3/4) |
219 (8.3/8)
245 (9.3/8)
273 (10.3/4) |
Casing string diameter, fastened in a pendant
D3, mm |
- |
- |
- |
- |
- |
140 (5.1/2)
146 (6)
168 (6.3/8)
178(7)
194 (7.3/8) |
140 (5.1/2)
146 (6)
168 (6.3/8)
178(7)
194 (7.3/8) |
140 (5.1/2)
146 (6)
168 (6.3/8)
178(7)
194 (7.3/8) |
| L, мм |
850 |
1090 |
1320 |
1340 |
1340 |
930 |
| H, мм |
460 |
1065 |
1150 |
1730 |
1730 |
1890 |
Weight
kg |
345...370 |
435...460 |
1115...1140 |
1255...1280 |
1540...1660 |
2470...2620 |
2470...2620 |
4840 |
Charts of variants Casing Heads
OKK1
OKK2
OKK3
Features and advantages
- The design of these casing heads includes slip hanger.
- Special packer seals the unit. The are outlet connections with shutoff valves (cocks or gate valves) from one side and flanges with valve for pressure gauge installation from the other.
- Basic parts are forged that implies their strength and reliability. API material classes - AA and BB.
- Casing heads are supplied with check valves and bleedoff plugs as well as all necessary accessories and both assembly and maintenance tools.
- Casing heads conform to the requirements of API Spec 6A.
- According to purchaser's order the equipment may be supplied both as set and as separate units (slip hanger, packer seal, casing spools).
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