Geological and process surveys

Geological and process surveys

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Geological and process surveys

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In 1984 the geological engineering survey team was formed on the basis of the mud logging team, subsequently, in 2000, it was reorganized as the geological engineering survey expedition of Bashneftegeofizika JSC. In 2011 all GTS teams of other Bashneftegeofizika JSC departments were consolidated on the basis of the geological and technical survey expedition, Ufa Administration of Geophysical Works.

Geotest-5 GTS station

Geotest-5 GTS station is designed for:

automated gathering of geological and geochemical and process information while drilling;
control over drilling parameters;
situation assessment and emergency and troubles prevention;
reservoir designation and assessment of saturation nature;
drilling process documentation, drill site data transfer.

Application area: geological engineering surveys and control over well drilling for oil and gas.

Operation of Geotest-5 GTS station at the well site enables well remote monitoring.

List of process parameter sensors

Driller's panel	Rotor rotation sensor	Input flush liquid temperature sensor
ARTWIK flow meter	Pump stroke sensor	Flush liquid density sensor (contactless)
Depth sensor	Density sensor for flush liquid in the receiver reservoir	Tong torque sensor

Geological module

KM-1A carbonate meter

Components to be analyzed	calcite, dolomite, insoluble residue
Analysis continuation, min	25
Measurement range, %	(0.1 - 99.9)
Measurement error, %	± 2.5
Mass of rock charge, g	0.40
Information output	Digital display and RS-232

MBS-10 stereoscopic microscope with a camera adapter

Magnification	3.3 – 100.8
Source of light	РН8-20-1 lamp
Device mass, kg	no more than 8

LU-1 luminoscope

Wave length of the UV-ray source	366 nm
Mass of studied charge, g	(1.0 – 100.0)
Operation mode	intermittent, operation time - 1 hour, pause - 25 minutes
Analysis continuation, min	5

PSh-1 sludge density meter

Determination range, g/cm₃	1.20 - 2.90
Determination error, g/cm₃	± 0.03
Rock sample size, mm	3 - 7
Sample mass, g	0.5 - 1.0
Liquid poured into the flask	distilled water
Determination cycle time, min	no more than 5
Device mass, kg	no more than 3.0

UDZh-2M unit for residual oil water saturation determination

Working chamber volume, cm₃	640
Heating temperature, °C	105; 140 - 200
Heating mode	automatic
Analysis time, min	30

PE-2 device for express determination of open drill core and cuttings porosity

Sample mass, g	1.0 – 100.0
Porosity measurement range, %	0 - 50
Weighing method, g	0.001 – 100.000
Analysis continuation, min	10 - 90
Sample drying method	infrared
Drying temperature range, °С	+50 ... +180
Time of continuous operation, h	at least 16

Infrared spectrometer for express quantitative determination of oil and bitumen contents in rocks

Composition: IKN-025 infrared content meter, extraction plant, state standard oil product samples.

Operational principle: based on absorption of infrared radiation by oil hydrocarbon molecules in the area of λ= 3.42 µm wave length.

Range of hydrocarbon measurement in the sample, mg/g	3.0 - 200.0
Analyzed rock mass, g	0.
Solvent type	CCl4
Analysis time with sample preparation, min	5 - 10
Mass, kg	2

TVD-7M thermal vacuum degasser

Degassed sample volume	250 cm₃
Limit volume of gas extracted	200 cm3
Time of sample degassing	no more than 15 min
Operating rarefaction	0,09 MPa
Heating temperature	90 - 100 °С