Kelly Cocks
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Kelly Cocks
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Safety Valve IBOP
Kelly Cock
Float Sub IBOP
Retrievable IBOP
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Home
About
Products
Safety Valve IBOP
Kelly Cock
Float Sub IBOP
Retrievable IBOP
Back Pressure Valve
Manifold/Gate/Flow Valves
Services
Contact
Home
About
Products
Safety Valve IBOP
Kelly Cock
Float Sub IBOP
Retrievable IBOP
Back Pressure Valve
Manifold/Gate/Flow Valves
Services
Contact
About
Products
Services
Contact
Kelly Cock valves are located within the drill string that allow for free-passage of drilling fluid without pressure loss and are specifically designed for effective control of blow outs and/or mud loss control.
D‑Valves manufactures Kelly Cock bodies from chromoly steel and uses the latest in stainless, monel and bronze for the internal parts, meeting NACE specifications for use in sour service. Kelly Cocks are available in one or two piece body construction and are supplied with either API or proprietary connections. Kellycocks are available in 5000 or 10,000 PSI.
All Kelly Cocks are extensively tested in our facilities to ensure the highest quality and that the product will perform to specifications when used in the field.
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HOME DRILLING SAFETY VALVES KELLY COCK
Kelly Cock Valves are devices that allow for shutting the internal bore of the drill string keeping the mud column in the top drive or the Kelly when disconnecting from the drill string. It controls the flow of the mud during normal drilling operations and is operated from the rig floor. Standard configurations include two Kelly Cock Valves; an upper Kelly Valve and lower Kelly Valve.
The Kelly Cock Valve is designed and manufactured as a one-piece or a two-piece Kelly Valve for free-passage and maximum circulation of the drilling fluid minimizing pressure loss. Kelly Cock Valves are supplied with either API or proprietary connections upon request. All Kelly Cock Valves are manufactured according to the latest edition of the API 7-1 or NS1 specification. KC2S Kelly Valves are available in either standard or H2S resistant versions and are supplied according to Class 1 construction. Main features:
Simple construction for trouble-free operations and easy servicing Sealed lubrication packing 10,000 or 15,000 PSI working pressure (testing pressure 15,000 and 22,500 PSI respectively) KC2S Kelly Valves are delivered with an operating wrench and disassembly tool
Other configurations available upon request, subject to engineering department approval.
The KC2S product range is available in 9 different series allowing the following passage IDs:
Each Kelly Valve is hydraulically bench tested according to API spec 7-1 (latest edition) and delivered with its individual pressure test records. The tests are carried out in two steps:
SHELL TESTING during which the valve is pressurized to the test pressure for 3 minutes, then depressurized and pressurized again for at least 10 minutes. SEAT TESTING during which the valve is pressurized from the pin end to its working pressure for at least 5 minutes.
During the pressure-holding period timing starts when pressure stabilization is achieved. No visually detectable leakage is permitted during the test time period and the pressure drop shall be no greater than maximum 1% of the pressure test value with a zero leak rate.
In case the Retrievable Drop-in Check Valve (RDCV) has to be dropped into the drill string, the compatibility of RDCV OD and KC2S free ID passage is a critical factor. The table to the right shows shows the compatibility between KC2S Kelly Cocks and Drop-in Check Valves.
COMMAND-SMFI offers KC2S Kelly Valves with PTFE rings inserted in both upper and lower seats, which provide high sealing capability, even at low pressures. KC2S internal parts are made of high grade heat treated stainless steel. The design of the body limits plug rotation to 90° between open and closed positions. Two KC2S versions are offered to suit drilling environments:
The standard version for normal drilling conditions with an inside surface treated to enhance mud corrosion resistance and maintenance operations. The H2S trim version which has been designed for H2S environments with internal parts made of corrosion resistant materials matching the NACE MR0175 standard (latest edition), fitted in a standard body. Full NACE available upon request.
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5 rue des Guerins, 58200 Cosne Sur Loire, France
For complete information on our products, download our catalog:
Includes all parts needed for replacement each time the Valve is disassembled; i.e. O-Ring Seals, Springs, Knob Plate and Snap Ring or Screw Set.
Includes all inside Valve components plus its Operating Wrench and Disassembling Tool.
Complete Repair Kit without Tooling
Includes all KC2S Inside Valve components.
Includes all parts needed for replacement each time the Valve is disassembled; i.e. O-Ring Seals, Springs, Knob Plate and Snap Ring or Screw Set.
Includes all internal parts plus Operating Wrench and Disassembling Tool.
Complete Repair Kit without Tooling
Posted on November 15, 2020 November 15, 2020 by Drilling Solutions
DSL is the world largest spare parts supplier for Energy and Heavy Machinery Industry. Email: sales@drillingsolutionsltd.com
KELLY COCK 6-1/2” OD, 10000 PSI WITH 4-1/2” IF BOX & PIN CONNECTION
INSIDE BOP (GRAY INSIDE BOP) FOR 5” DP STRING,5,000 PSI WITH 4-1/2” IF CONNECTION.
LOWER KELLY COCK, 69,000 KPA WP, 2 13/16” MIN ID. (OD 7 3/4” CONNECTION 6 5/8” REG B X P )
LOWER KELLY X/O (6 5/8″ REG B X 4″ HT40)
LOWER KELLY X/O (6 5/8″ REG B X 3 1/2″ IF OVERALL LENGTH 30″ )
LOWER KELLY X/O (6 5/8″ REG B X 4″IF OVERALL LENGTH 30″ )
UPPER KELLY COCK 7-3/4〃 × 3〃 W/C 6-5/8 REG LH CONN.
LOWER KELLY COCK 6-5/8〃 × 2-13/16〃 W/C 4-1/2 IF CONN.
LOWER KELLY OD 6-5/8″ WITH 4-1/2 IF
LOWER KELLY COCK OD 4-3/4″ WITH 3-1/2 IF
LOWER KELLY COCK OD 3-3-8″ WITH 2-1/2 IF
UPPER KELLY VALVES 5000 PSI WP FOR 5-1/4″ KELLY WITH 3-1/4″ BORE AND 6-5/8″ REG LH PIN X BOX CONNECTIONS
LOWER KELLY VALVES 5000 PSI WP FOR 5-1/4″ KELLY WITH 2-13/16″ BORE AND4-1/2 IF PIN X BOX CONNECTIONS
LOWER KELLY VALVES 5000 PSI WP FOR 4-1/4″ KELLY WITH 2-1/4″ BORE AND 3-1/2 IF PIN X BOX CONNECTIONS
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