Equipment references / Calculations / Technical RFQs
Oilfield Equipment, Tools and Spare Parts
Source-linked technical references for pump parts, tubular handling and instrumentation. Check the model, compare the parameters, then prepare your request.
Technical catalog
Equipment with technical references
Triplex and Quintuplex Drilling Mud Pumps
High-horsepower triplex and quintuplex mud pumps with reference packages up to 2400 HP, 51.7 MPa discharge pressure and 105-127 SPM rated speed.
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Oil and Gas Pressure Transmitters
Pressure transmitters for wellheads, process skids and production facilities, with published reference ranges from 5 kPa to 260 MPa and selectable analog or digital outputs.
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Centrifugal Mud Pumps
Compare centrifugal mud-pump interfaces and duty points using NOV Mission references. Select flow and head together, then check mud density, shaft power, suction conditions and the actual impeller.
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Mud Pump Spare Parts
Match mud-pump pistons, liners, valves and seats by installed model, drawing and service. Compare documented NOV piston and drilling-valve examples without assuming equal bore means interchangeable parts.
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BOP Rubber Elements and Seals
Annular elements, ram packers and well-control seals selected by BOP model, 120-760 mm bore references, 21-105 MPa pressure class and verified elastomer compatibility.
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API 20E and 20F High-Strength Stud Bolts
High-strength stud bolts, threaded rods and nuts for oilfield and petrochemical service, with published diameters of M12-M130 and lengths up to 9500 mm.
View specificationsPublished data is a selection reference, not confirmation of stock, certification or interchangeability. Confirm the exact model and duty before ordering.
Calculations for your equipment request
All toolsTriplex Mud Pump Output Calculator
Estimate theoretical and efficiency-adjusted output for a three-cylinder single-acting triplex mud pump.
Pipe Displacement Calculator: Open and Closed End
Compare open-ended metal displacement and closed-end displacement from tubular OD, ID, and length.
Oilfield Annular Capacity Calculator
Estimate annular capacity between a hole or casing bore and the outside diameter of an inner tubular.
Pump Strokes to Volume Calculator
Convert a known pump output per stroke and a stroke count into barrels and cubic metres.
Preliminary estimates only. Verify inputs and results against the equipment data and applicable procedures.
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Before you specify or replace a part
All technical guidesParts & Compatibility
BOP Spare Parts Supplier Checklist
A practical checklist for requesting quotes for BOP spare parts, annular BOP parts, ram BOP parts, seals, packers, and replacement components.
4 min read
Purchasing & Export
Oilfield Tools Supplier Selection Guide
Compare drilling, fishing, handling and downhole tools by application, interfaces, inspection records and replacement-part support.
5 min read
Ready to discuss a requirement?
Send the equipment or part name, quantity and delivery destination. Include a model, drawing or nameplate photo where available.
- Technical files and specifications can be attached.
- Target unit price is optional and is a reference for quotation review.
- A submission reference confirms receipt, not price or availability.