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SKC-B Computerized Logging System
Magnetic Single & Multiple Shot Survey Instrument
3106XB MSFL/Minilog Tool
SFJ940A Acoustic-Amplitude Tool

SKC-B a truck-mounted computerized logging system, consists of data acquisition and control surface equipment, 6x2 26t heavy-duty logging truck, a telemetry system, 13 types of downhole tools and various auxiliary devices. It can perform different combination logging tasks in both open hole and cased hole. It controls the quality of logging process automatically and gets into optimum operating status. Its real-time display of logging curves, radioactivity spectra and acoustic wave-trains makes operator be able to monitor the whole logging process. It has the functions of self-diagnostic and quick-look data processing as well.

MAIN SPECIFICATIONS Surface equipment: C omputer: Intel Pentium/100MHz with 16MB RAM, 1.2GB hard disk, 135MB removable hard disk driver, 3.5?floppy disk driver. D isplay:14?color monitor, 1024 x 768 D ata record: Thermoplotter with resolution of 200 dot/in, Two 1/4?cartridge tape drivers, 150MB for each. S ignal channels: It works under the control of digital signal processor (DSP) and includes: 15 A/D channels, 12 bits 4 count rate channels, 16 bits 1 high speed A/D channel, 12 bits Telemetry channel, 100kb/s D epth system: Provides interrupt signals with 8 selectable depth intervals. Depth correction is made automatically with accuracy 0.03%. C able: 7 conductors, 7000 m.

APPLICATIONS SPJ940A Acoustic-Amplitude Tool is designed for cement bond log and variable density log. It can be combined with DFG801 multi-functional gamma ray tool and 950ACCL. Gamma ray tool and magnetic locator can determine the depth, and CBL and VDL curves of acoustic-amplitude tool can give the evaluation of the cement bond. Such a combination of logging tool can use both PC-based surface equipment and 3700 CLS system. Logging curves of CCL, GR, CBL and VDL can be obtained.

Maximum Operating temperature

150 ⊥

Maximum pressure

100 MPa

Maximum outside diameter

89mm

Adaptable Hole diameter

114.3~406.4mm

Maximum Logging Speed

800m/h

Measuring Range

Gamma Ray

0~1500 API ㊣ 5%

Acoustic Amplitude

CBL:0~100% of free pipe amplitude

VDL: 200~1200 m S

Measuring Accuracy

Gamma Ray

㊣ 5%(counting rate)

Magnetic Locator

㊣ 0.15m

Wireline Requirements

7 conductor cable



APPLICATIONS Based on 3106XA Microspherically Focused Tool, 3106XB can also run minilog. It can be used to measure the resistivity of flushed zone and mud cakes. Oil-bearing or water-bearing zone can be identified by comparing with deep resistivity. Four curves can be obtained in one run: Rx 0 , micro-potential, micro-gradient and caliper.

Measuring Range for Rx 0

0.2~2000 次 m

Measuring Accuracy for Rx 0

㊣ 10% From 0.2 to 2 次 m

㊣ 5% From 2 to 200 次 m

㊣ 10% From 200 to 2000 次 m

Measuring Range for Micro-potential

0~40 次 m ㊣ 5%

Measuring Range for Micro-gradient

0~40 次 m ㊣ 5%

Measuring Range for Caliper

150~450mm ㊣ 5%

Maximum Operating Temperature

150 ⊥

Maximum Pressure

100MPa



MAGNETIC SINGLC & MULTIPLE SHOT SURVEY INSTRUMENT Magnetic Single Shot Survey Instrument is used for the survey of inclination (drift angle), azimuth (magnetic direction) of the borehole as well as the direction of the high side on the bent sub in relation to the surface location in the survey of inclination and azimuth of any point on hole axis. So it is an indispensable survey instrument for angle buildup. Magnetic Multiple Shot Survey Instrument is used for the survey of any interval or whole course of the well in well axis, for calculating and plotting the profiles of the well bore. It is an important survey instrument for directional drilling.

Multiple Shot Survey Instrument
type

Survey Range

Accuracy (repeatability)

Max. Temp

Max. Pres

Direction

Inclination

Angle Unit

Direction

Inclination

DAZ-R

0 ∼ ~ 360∼

0 ∼ ~ 120∼

0 ∼ ~10∼

㊣0.5∼

㊣0.2∼

100 ⊥

140MPa

0 ∼ ~17∼
㊣0.2∼

15 ∼ ~ 90∼

㊣0.25∼

15 ∼ ~120∼

㊣0.25∼

DAZ-E

0 ∼ ~ 360∼

0 ∼ ~ 120∼

0 ∼~10∼

㊣0.5∼

㊣0.2∼

100 ⊥

140MPa

0 ∼ ~20∼

㊣0.2∼

15 ∼ ~ 90∼

㊣0.25∼

15 ∼ ~120∼

㊣0.25∼
SDUZ-E

0 ∼~ 360∼

0 ∼~ 120∼

0 ∼ ~10∼

㊣0.5∼

㊣0.2∼

250 ⊥

140MPa

0 ∼ ~20∼

㊣0.2∼

15 ∼ ~ 90∼

㊣0.25∼

15 ∼ ~120∼

㊣0.25∼


Magnetic MultipleSingle Shot Survey Instrumendt
type

Survey Range

Accuracy (repeatability)

Max. Temp

Max. Pres

Direction

Inclination

Angle Unit

Direction

Inclination

DAZ-R

0 ∼ ~ 360∼

0 ∼ ~ 120∼

0 ∼ ~10∼

㊣0.5∼

㊣0.2∼

100 ⊥

140MPa

0 ∼ ~20∼
㊣0.2∼

0 ∼ ~ 90∼

㊣0.25∼

0 ∼ ~120∼

㊣0.25∼

DAZ-E

0 ∼ ~ 360∼

0 ∼ ~ 90∼

0 ∼~10∼

㊣0.5∼

㊣0.2∼

100 ⊥

140MPa

0 ∼ ~20∼

㊣0.2∼

0 ∼ ~ 90∼

㊣0.25∼
SDUZ-E

0 ∼~ 360∼

0 ∼~ 90∼

0 ∼ ~10∼

㊣0.5∼

㊣0.2∼

250 ⊥

140MPa

0 ∼ ~20∼

㊣0.2∼

0 ∼ ~ 90∼

㊣0.25∼



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