ER-01A Continuous Gyro Inclinometer (175)

1.Main features

□ Automatic north-finding

□ High measurement accuracy is guaranteed in both small and large inclination angle

□ Continuous measurement, dynamically real-time recording.

□ Fast measure speed, reached to 5000m/hr or more

□ Shock resistance, anti-vibration, high reliability

□ Easy to use, time-saving

□ Chinese/English selectable in software, entire process recording

□ Automatic drift-correction

Application

□ Trajectory retest of old wellbores, trajectory measuring of new wellbores

□lDirectional well, tool face orientating of cluster wells

□lCasing window whipstock orientation

□lMeasurement and orientation of cluster wells in offshore platforms

2. Main performance and specifications

1.Parameters can be measured:

Inclination, azimuth, high side tool face, north direction tool face, probe temperature

2.Measurement accuracy(1σ):

Azimuth: 0~360 deg, error: ≤0.5 deg

Inclination: 0~85deg, error: ≤0.1deg

Gravity tool face: 0~360deg, error: ≤1.5 deg

North direction tool face: 0~360deg, error: ≤0.5deg

3.Environment condition:

Operating temperature:‐20℃～175℃(with thermal sleeve)

Pressure: 100Mpa

Shock: 700g, 0.5ms, ½sine

4.Outside dimension:

Downhole probe outside dimension: 48mm

Downhole probe length: 1120mm

Total length of downhole tools: 4550mm

Centralizer length: 566mm

Extra heavy bar length: 1000mm

Standard R-type single-point guide shoe or standard E-type guide shoe

5.Test software:

V2.0.0.1 Gyro inclinometer dedicated software

6.Measuring method:

Trajectory measurements: continuous

Measurement speed: 5000 m/hr

7.Ground host:

Gyro dedicated host