| Mandrel |
A support device for downhole instruments, eg for gas lift. |
|
| mboe |
Million Barrels Oil Equivalent. |
|
| MDT |
Sondex Downhole Tractor |
|
| Measure Point |
The position of a sensor within the toolstring relative to a depth reference point, usually the bottom of the tool. |
|
| MEMLOG |
Software to program & retrieve data from a memory tool and DTR. |
|
| Memory Battery Holder (MBH) |
A housing containing battery packs for memory logging. |
|
| Memory Control Unit (MCU) |
A unit which operates as a) a
battery condition tester and b) a universal interface unit for
programming and downloading data from ABC-X memory tools. |
|
| Memory Production Logging Tool (MPL) |
The toolstring controller in a Sondex memory toolstring. |
|
| Memory Tool Logging |
The process of acquiring log data to a memory tool, integral to the toolstring. Cf. SRO. |
|
| Merge |
Process of combining data from different well log measurements, eg depth data and tool data |
|
| Metric tonne |
Equivalent to 1000kilos, 2204.61lb; 7.5barrels. |
|
| MFP |
Multifinger Imaging Surface
Panel. In a surface readout system, a unit which supplies power to the
MIT and decodes the telemetry signals sent by the tool. |
|
| MIDAS |
Multitasking Integrated Digital
Acquisition System. A PC based cased hole logging system available in
rackmount or portable format. |
|
| MIT |
Multifinger Imaging Tool. Various sizes of Sondex Multifinger Calipers. |
|
| MITPro |
Sondex software for processing and reporting MIT data. |
|
| MITView |
Sondex visualization software which generates 3D colour views of tubular surfaces logged with a MIT. |
|
| mmcfd |
Millions of cubic feet per day (of gas). |
|
| MMS |
MIT Memory Simulator. |
|
| Monocable |
A single-conductor armoured logging cable used for SRO logging. |
|
| Moonpool |
An aperture in the centre of a
drillship or semi-submersible drilling rig, through which drilling and
diving operations can be conducted. |
|
| Mt |
Million tonnes. |
|
| MTT |
Magnetic Thickness Tool. A tool
which investigates variation in metal thickness in downhole tubulars,
by the use of miniature magnetic sensors. |
|
| Mud |
A mixture of base substance and
additives used to lubricate the drill bit and to counteract the natural
pressure of the formation. |
|
| Mud Logging |
Analysis of materials brought to the surface during the drilling of an oil or gas well. |
|
| MULE |
Sondex Downhole Tractor. |
|
| Multifinger Caliper |
A tool capable of making multiple, usually simultaneous, measurements of internal radius of a pipe. Eg. Sondex MIT. |
|
| Multiphase Flow |
Where the produced well fluid contains two or more phases, i.e. oil, water or gas. |
|
