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A chip and core cannot be independently relied upon as a completely accurate record of interval depths or thickness. The geophysical log is used to confirm the actual depth and thickness of significant lithology intervals.
Down-hole survey or geophysical borehole logging may be used to measure a number of physical properties of the geological formation intersected by boreholes.
MINTEC has 2 sets of Side Wall Density Gamma, Vertical probe sets “Robertson Geologging” and 2 sets of Radiation source (Cs 137). The old version of logging set was acquired on August 2009 and our new version was acquired in August, 2015. MINTEC was experienced over 200.000m in logging. Geophysical logging is carried out by our Radiation workers which are licensed by BAPETEN (National Government of Nuclear Institution) and assist by our reliable logging assistant.
Specifications | Sidewall Density Gamma and Sidewall Density Guard Sonde | Verticality Probe |
|---|---|---|
Diameter | 50 mm | 42 mm |
Lenght x Weight | 2.88 m x 20 kg | 1.65 m x 7 kg |
Max. Temperature | 70°C | 70°C |
Max. Pressure | 20 MPa | 20 MPa |
Density Detectors | Nal (TI) Scintillation Crystal | – |
Density Spacings | 48 cm (LSD) 24 cm (HRD) 14 cm (BRD) | – |
Calibrated Density Range (LSD) | 1 to 3.0 g/cc | – |
Natural Gamma Detector | 50 mm x 25 mm Nal (TI) Scintillation Crystal | 50 mm x 25 mm Nal (TI) Scintillation Crystal |
Caliper Range | 50 mm to 300 mm | – |
Resistivity Range | 1 ~ 10.000 ohm-m | – |
Inclination | – | Inclination Range : 0° ~ 180°
Inclination Accuracy : +/-0.5° |
Azimuth Range | – | 0° ~ 360°
|
Measurements | Compensated Density,
Natural Gamma, Caliper,
High Resolution Density HRD,
Bed-Resolution Density BRD,
Temperature,
Focused Resistivity | Borehole Inclination,
Borehole Direction,
Borehole Drift,
True Vertical Dept
|
Standard Operating Procedures | Working Instructions |
|---|---|
Standard Operating Procedure SOP/MIN/LOG/001. Geophysical logging Standard STD/MIN/LOG/001. Safety working at Radiation area | Working instructions WI/MIN/LOG/001. Formation density logging WI/MIN/LOG/002. Vertical sonde logging WI/MIN/LOG/003. Well logging data interpretation |
Menara Mulia, Lt. 16 Suite 1606. Jalan Gatot Subroto Kav 9-11. 12930. Jakarta Selatan – Indonesia Phone : +62 21 525 7481 Fax : +26 21 525 7508
Desa Batu Kajang, Kecamatan Batu Sopang, Kabupaten Paser 76252. Kalimantan Timur – Indonesia.Phone : +62 811-5437-500
