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4.            Draw work RPM           

                                   

Sensor

:

Inductive Proximity Switch

 

 

 Mounting

:

On Top Drive or Below

Rotary Table

Accuracy

:

+ 1 RPM

Range

:

0 - 200 RPM

Sensing Distance

:

30 mm

Approvals

:

Namur Type Ex-Proof Certified for Class I

 

 

5.                         Weight on Bit and Hook load

 

Sensor

:

Piezo resistive / capacitance.

 

 

 

 

 

Mounting

:

Dead Line Anchor

Accuracy

:

+0.2%

Sensitivity

:

0.16psi

Response

:

200ms

Stability

:

+/- 0.8 psi per year

Range

:

0 – 1000 psi.

Linearity

:

0.5 %

Approvals

:

Ex-Proof Certified for Class I. Factory Sealed.

Outputs

:

Recorder, Monitor, Printer

 

5.                 Pump strokes

            

Sensor

:

Inductive Proximity Switch

 

 

 

Mounting

:

On Mud Pumps

Accuracy

:

+ 1 RPM

Range

:

0 - 200 RPM

Sensing Distance

:

30 mm

Approvals

:

Namur Type Ex-Proof Certified for Class I

Provision is provided for operation of four pumps at a time.

 

7.    Casing Pipe Pressure              (CPP)

 

Sensor         

:

Piezo resistive  / capacitance.

 

 

 

Mounting

:

Choke Manifold

Accuracy

:

+ 0.075%

Sensitivity

:

0.5 psi

Response

:

100ms

Stability

:

3.5 psi for 5 years

Range

:

0 – 10,000 psi. or  700 kgs/cm2

Linearity

:

0.5 %

Approvals

:

Ex-Proof Certified for

 Class I. Factory Sealed.

Outputs

:

Recorder, Monitor, Printer