overcome this preload the instrument will then read accuratelly
ELECTRIC TORQUE SYSTEMELECTRIC TORQUE SYSTEM
ELECTRIC TORQUE SYSTEM
This system measures voltage drop across a 50 micro ohms shunt p
This system measures voltage drop across a 50 micro ohms shunt placed in the series eith motor. laced in the series eith motor.
Motor torque is proportional with motor current so voltage can b
Motor torque is proportional with motor current so voltage can be related to torque. e related to torque.
Electric torque system consists of:
Electric torque system consists of:
-- Isolation amplifier instaled close to shuntin the rotary power lineShunt normally have a rating of Isolation amplifier instaled close to shuntin the rotary power lineShunt normally have a rating of 50 mV; 1000 A.
50 mV; 1000 A.
-- Recorder can be separate or standard Recor-Recorder can be separate or standard Recor-OO--Graph 7 pen if use E/P transducer between Graph 7 pen if use E/P transducer between Amplifier and recorder.
Amplifier and recorder.
Shunt
Power
DRILLING RIG SELECTION
DRILLING RIG SELECTION – – INSTRUMENTATION INSTRUMENTATION
DRILLING RIG SELECTION
DRILLING RIG SELECTION – – INSTRUMENTATION INSTRUMENTATION
TRU
TRU--TORQUE ROTARY RORQUE SYSTEM Model FATORQUE ROTARY RORQUE SYSTEM Model FA-18-18 Is another hydraulicaly operated system for measuring rotary tab
Is another hydraulicaly operated system for measuring rotary table torque. Consists of two le torque. Consists of two compression sensors instaled diagonally on the two rotary sides
compression sensors instaled diagonally on the two rotary sides, hydraulic hose Dial indicator gauge , hydraulic hose Dial indicator gauge and hoses to recorder.
and hoses to recorder.
DRILLING RIG SELECTION
DRILLING RIG SELECTION – – INSTRUMENTATION INSTRUMENTATION
EXAMPLE of calculations when selecting size of senzor.
EXAMPLE of calculations when selecting size of senzor.
DRILLING RIG SELECTION
DRILLING RIG SELECTION – – INSTRUMENTATION INSTRUMENTATION
MUD PUMP PRESSURE GAGE Model GM6A MUD PUMP PRESSURE GAGE Model GM6A
System operates in the temperature range of -System operates in the temperature range of -45 to + 6545 to + 6500C. C.
Accuracy of the system is ±Accuracy of the system is ± 1,0%.1,0%.
System consists of Diaphragm gage protector, hydraulic hose , dampener and Gage (dial).System consists of Diaphragm gage protector, hydraulic hose , dampener and Gage (dial).
Diaphragm gage protector shoul always be installed vertivally (Left Figure) to anable purging Diaphragm gage protector shoul always be installed vertivally (Left Figure) to anable purging rubber cup when pumping stops.
rubber cup when pumping stops.
Hudraulic system loading with hydraulic fluid W Hudraulic system loading with hydraulic fluid W--1515
Disassembly Diaphragm gage protector and place bottom up.Disassembly Diaphragm gage protector and place bottom up.
Connect hand operated hydraulic pump. Do nor tight connecting nut.Connect hand operated hydraulic pump. Do nor tight connecting nut.
Fill-Fill-up pump reservoir with instrument fluid Wup pump reservoir with instrument fluid W--15. During pumping minimum level should be 15. During pumping minimum level should be half of reservoir height.
half of reservoir height.
Slowly operate pump while on the connecting thread leagks clear fluid (without air bubbles).Slowly operate pump while on the connecting thread leagks clear fluid (without air bubbles).
Tight connection and start pumping while monitor runner cup. When inside sides of cup Tight connection and start pumping while monitor runner cup. When inside sides of cup taches stop pumping. System is loaded with fluid under proper pr
taches stop pumping. System is loaded with fluid under proper pressure.essure.
DRILLING RIG SELECTION
DRILLING RIG SELECTION – – INSTRUMENTATION INSTRUMENTATION
TONG LINE PULL & TORQUE INDICATOR SYSTEM H6B TONG LINE PULL & TORQUE INDICATOR SYSTEM H6B System uses when making
System uses when making--up Drill pipe, drill collar casing and tubing joints giving up Drill pipe, drill collar casing and tubing joints giving ““line pullline pull”” readings readings in pound, kilograms or decanewtons that can be easy converted to
in pound, kilograms or decanewtons that can be easy converted to ft-ft-lb or kglb or kg--m by multiplying the m by multiplying the line pull reading by the effective tong handle length.
line pull reading by the effective tong handle length.
When ussing model H29A for makingWhen ussing model H29A for making-up casing it provides direct torque reading in ft-up casing it provides direct torque reading in ft--lb or kglb or kg--m.m.
All line pull indicators consists of: Dial indicator and hydraulic cylindervwith connectinh high All line pull indicators consists of: Dial indicator and hydraulic cylindervwith connectinh high pressure hose.
pressure hose.
Dial is equipped with a target pointer which can be set to a predetermined indication.Dial is equipped with a target pointer which can be set to a predetermined indication.
Hydraulic cylinder can be installed on the jarkline or back-Hydraulic cylinder can be installed on the jarkline or back-up line.up line.
For accurate indication the line must be 90For accurate indication the line must be 9000 to the tong armat point of taking the reading and to the tong armat point of taking the reading and parallel to rig floor.
parallel to rig floor.
The indicator do not need field or operational calibration.The indicator do not need field or operational calibration.
If the measured dimension “If the measured dimension “AA”” is equal to, or larher then the recharge dimension shown in theis equal to, or larher then the recharge dimension shown in the figure
figure recharge system as followsrecharge system as follows::
Remove all weight from the cylinder and ensure the hose is free of kinks and sharp bends.Remove all weight from the cylinder and ensure the hose is free of kinks and sharp bends.
Remove the cap from the check valve on the indicator dampener onRemove the cap from the check valve on the indicator dampener onthe gage, close the dampener.the gage, close the dampener.
Attach hand pump YA2 with swivel to the check valve, and fill reservoir with W15 (red) instrument fluid.Attach hand pump YA2 with swivel to the check valve, and fill reservoir with W15 (red) instrument fluid.
Loosen the pipe plug or blead screw on the cylinder body, pump fLoosen the pipe plug or blead screw on the cylinder body, pump fluid and blead at plug/screw until air luid and blead at plug/screw until air bubbles stop escaping.
bubbles stop escaping.
Tighten the plug or screw and pump fluid in the system to slightly overcharge and permit that piston be Tighten the plug or screw and pump fluid in the system to slightly overcharge and permit that piston be fully drawn into the cylinder. Disengage hand pump from check va
fully drawn into the cylinder. Disengage hand pump from check valve.lve.
Replace and tighten the check valve cap, adjust dampener if necessary.Replace and tighten the check valve cap, adjust dampener if necessary.