Brands & principals
Martin-Decker / M-D Totco
Principal brand
Our anchor brand relationship. We supply, service and calibrate Martin-Decker / M-D Totco (NOV) drilling instrumentation — weight indicators, pressure systems and more — and buy, sell and trade used M-D Totco equipment.
Manufacturer website →Martin-Decker / M-D Totco products

Compression Loadcell
Compression load cell for in-line and bearing-point load monitoring — ATEX available.
View detailsCustom Load Pins
Custom-engineered load pins for sheaves, padeyes and lifting points — ATEX available.
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Electronic Load Cell
Wired and telemetric electronic load cells for tension and compression load monitoring — ATEX available.
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Electronic Products
Electronic drilling instrumentation — gauges, sensors, transducers, strain-gauge load cells and multi gauges.
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Mud Pressure System
Single- and dual-pointer mud pressure gauge systems for drilling operations.
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Multi Gauges
Electronic multi gauge / combined drilling-parameter display.
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Oilfield Instrument Parts
Spare parts for oilfield instrumentation — Bourdon tubes, check valves, disconnects, diaphragm rubbers and hand pumps.
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Pressure / Chart Recorder
Circular chart and pressure recorders for drilling parameters.
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Pressure Sensors & Transducers
Pressure, gauge, flow-out and rotary-torque sensors, deboosters and compression/tension load cells.
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Hydraulic Rotary Torque System
Hydraulic rotary torque system for makeup/breakout torque measurement.
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Sandline Depthometer
Drilling-rig sandline depth measurement instrument.
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Standpipe Pressure Gauge
Mechanical standpipe pressure gauges for the rig floor — flanged, nutted, Type D/F, unitized and YK variants.
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Electronic Strain Gauge Load Cell
Electronic strain-gauge load cell for drilling-rig load monitoring.
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Subsea Tensile Link
Subsea-rated tensile link load cell for offshore lifting and mooring.
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Tong Line Pull System
Tong line-pull measurement system.
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Tong Torque System
Tong torque measurement system.
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12" Weight Indicator
12-inch FS dial weight indicator.
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16" Weight Indicator
16-inch dial weight indicator.
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6" & 8.5" Weight Indicator
6-inch and 8.5-inch dial weight indicators.
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Anchor Type Weight Indicator System
Anchor-type weight indicator system for deadline load measurement.
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Bulk Tank Weight Indicator System
Bulk-tank weighing indicator system.
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Deflection Type Weight Indicator
Deflection-type weight indicator system.
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Midget Weight Indicator System
Compact midget weight indicator system.
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Wireline Weight Indicator System
Wireline weight indicator system.
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Deadline / Wireline Anchor
Deadline / wireline anchor for drilling rigs.
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