scope:

Coverage. This specification covers items of equipment utilized for pressure control systems required during the drilling and production life of a well. Specifically covered are the groups of equipment usually referred to as ring-joint flange., ring joint gaskets, drilling-through and flow line valves, multiple completion valves, flanged drilling through equipment, screwed wellhead equipment flanged wellhead equipment, Christmas tree equipment, flow control chokes, water sampling devices, segmented flanges, and underwater wellhead equipment, which include the following types:

Sect. 2 Ring-Joint Flanges

Type 6B: 2,- 8,- and 6,000 psi

Blind

Integral

Threaded

Welding Neck

Type 6BX: 6,-10,- and 16,060 psi

Blind (10,- and 115,000 psi only)

Integral

Welding Neck (10,- and 16,000 pal only)

Sect. 3 Ring-Joint Gaskets

Type R, RX, and BX

Sect. 4 valves, Drilling-through and Flow line

Flanged and Screwed

Sect. 5 valves, Multiple Completion

Flanged, low-line, full-bore gate and plug

Sect. 6 Drilling-through Control Equipment

Blowout preventers

Fittings, Drilling-Through

Adapters or Spools, Drilling-Through

Sect.. 7 screwed Wellhead Equipment

Screwed Casing Head.

Screwed Tubing Heads

Sect. 8 Flanged Wellhead Equipment

Casing Heads

Tubing Heads

Crossover Flanges

Adapters

Sect. 9 Christ mas tree Equipment

Flow Fittings

Adapters

15,000 pal Test Connections

Sect. 10 Flow control Chokes

Adjustable Chokes

Positive Chokes

Sect. 11 Automatic Shutoff valves.

Sect. 12 Water Sampling Device.

Sect. 13 Segmented Flanges

Sect. 14 Underwater Wellhead Equipment

Many of the foregoing items of equipment have specific complementary internal dimensions to pennant (1) drilling-through, (2) running and landing a smaller string of pipe as diagrammatically shown in Fig. 1.1, (3) running tools, instruments, etc., into the well bore via the tubing passage.

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