Circular Chart Recorders for Workers Who Need to Measure Two Things at Once

Crown Oilfield Instrumentation's new 12" circular chart recorders are built to operate in the some of the most rugged climates that you will come across in your field of work. Similar to the Martin Decker brand, they are 100% dependable and are available in numerous configurations. Circular chart recorders come in truck mount configurations and portable configurations to meet every one of your daily demands. All recorders are available with various clock options and pressure ranges. Dual Pen recorders are capable of recording two inputs simultaneously.

Some of the features offered by the Crown Circular Chart Recorder include:

-- Recorders are available in both the 1 and 2 pen versions.

-- Calibration can be set for use up to 15000 p.s.i.

-- Highly accurate, calibrated to within +- 1% of full scale accuracy.

-- Available in both English and Metric.

-- Gauges built into base upon individual request.

-- High pressure hose and disconnects available.

To see what Crown's Circular Chart Recorder can do for you on your drilling rig, or to see any of the other drilling instruments developed by Crown, Martin Decker, or MD Totco, click the picture to the right.

Why Choose Drilling Instruments from Crown Oilfield Instrumentation?

MD Totco is a subsidy of Crown Oilfield Instrumentation is a Louisiana based company, specializing in manufacturing and servicing oilfield instrumentation for over 35 years. Something that separates MD Totco and Crown from the rest of the competition is that all of the Drilling Instruments come to you 100% calibrated. To prove that they are calibrated, they will send a certificate of instrument calibration. How they are able to accomplish this is very simple. Crown has a full in-house Ametek dead weight testing system. They maintain current calibration certificates on all our measurement equipment, with traceability to the National Institute of Standards and Technology (NIST).

These days, the oilfield industry demands accountability and special attention to safety and documentation. Crown Oilfield Instrumentation also place an all-weather aluminum embossable sticker on the instrument with the serial number and date of the calibration on each piece of equipment calibrated. This process gives us a system of checks and balances to ensure that the instrument is safe and current on certification and calibration.

Since they are based in Louisiana, they live by the down-home Southern business model of return customer service and giving back to the community through their business. Crown Oilfield Instrumentation is open 365 days a year and 24 hours a day. Their repair service are also on the highest level of consistency and quality. Crown Oilfield Instrumentation provides expert in shop repairs for most types of oilfield instrumentation. We are known for providing excellent service to our clients and strive to maintain high standards in workmanship and customer service. A three to five working day average turnaround on repair orders is typical, as well as one day service upon request.

One of the hottest instruments trending right now in the oilfield industry is the Tong Line Pull. While I detailed the default information of the basic functions of this tool in an earlier post and there's not really much else I can say about it. All of Crown and MD Totco's products are made to the same standard and will continue to do so until there is no natural oil left on this planet.

Tong Line Pull and Tong Torque Gauges

Tong Torque Gauges & Tong Line Pull

Tong Torque measurement systems accurately indicate torque applied to oilfield tubulars during make up and breakout operations, thereby reducing under and over torquing which can cause tubular failure. Each tong torque system consists of a hydraulic load cell (tension or compression type), hose assembly, 6" fluid filled gauge with damper assembly and recharge kit consisting of hand pump, and 1 quart of Crown Oilfield Instrumentation all weather instrument fluid. The two main types of Tong Torque Systems are:

Tong Line Pull Gauges

Indicates make-up or break-out torque (in pounds of line pull) for tool joints, drill collars, and drill string components. This type of system is used in applications where there are more than on set of tongs being used with different handle lengths. A 6” fluid-filled gauge reads directly in pounds of line pull which works in conjunction with a load cell that is connected directly to the tong handle. As each joint is made up, line pull is converted to a hydraulic pressure signal within the cylinder and sent to the gauge via a rubber hose, the gauge displays this signal as pounds of line pull. To determine the actual torque being applied you multiply the gauge reading by the tong handle length in feet. The gauge comes complete with a target pointer that the driller sets to a corresponding torque requirement. A large variety of systems are available with up to 30,000 pounds of single line pull. English, Metric, or dual scale systems are available.

Tong Torque Gauges

Indicates torque in foot pounds applied to each joint when using power tongs to run oilfield tubulars. These systems are available for all makes and models of power tongs and come with either compression or tension type load cells that provide an accurate check of make up torque for all oilfield tubulars. Dual scale variations are also available. Rugged, simple load cell designs guarantee extra long life and ease of maintenance.

Tong Torque Systems consist of a Tension or Compression Load Cell, 6” fluid filled Gauge, 5’ hydraulic hose (additional hose lengths available), fluid hand pump and 1quart of Crown Oilfield Instrumentation all weather instrument fluid.

CTP Series:

• Indicates make-up or breakout torque (in pounds of line pull) for all oilfield tubulars.
• 6” fluid filled gauge..
• Operator adjustable target pointer that the driller sets to a corresponding torque requirement.
• Models and variations of available to work with all manual tongs.
• Capacity ranges from 10,000 pounds to 30,000 pounds of line pull. English, metric and dual scale dial readings available. Customer logo on dial available.

CTT Series:

• Indicates torque in foot pounds applied to each joint when using power tongs to run oilfield tubulars.
• Models available for all makes and models of power tongs.
• Tension or Compression style load cells available for use in all power tong configurations.
• Wide variety of capacities available to suit all applications and tong configurations.
• English, Metric or dual scale variations available.

Benefits:

• Systems designed and built for the rugged requirements of the oilfield. Load Cell’s are designed to ensure a long service life with minimum maintenance.
• 6” Fluid filled gauge has years of proven reliability and ease of maintenance.
• Target pointer on gauge helps operator maintain accurate torque.
• Box mount or panel mount configurations available.

To order Tong Torque or Tong Line Pull Systems, specify:

• Tong make and model as well as dial capacity and scale required.
• Box Mount or Panel Mount.
• Hose length required if different than standard (5’ for CTT series standard and 25’ for CTP series standard).
• Tension or compression type load cell.

Single Pointer Pressure Gauge System by Crown Oilfield Instrumentation

Single Pointer Pressure Gauge

Gauge provides quick, accurate check of mud pump operation.

Crown Oilfield Instrumentation's Single Pointer Pressure Gauge systems monitor mud pump operations to accurately and efficiently detect potential problems. This 6” gauge has proven itself to be the most cost effective way to monitor pressure. Gauge comes in Box mount or Panel mount configurations. The system consists of a 6” Pressure Gauge, a Gauge Protector (Rubber diaphragm type or Piston Separator type) a hydraulic Hose and hand pump.

Features:

• Standard capacities include:
• 3,000 p.s.i, 5,000 p.s.i, 6,000 p.s.i, 10,000 p.s.i, 15,000 p.s.i
• 7,000 kPa, 14,000 kPa, 21,000 kPa, 35,000 kPa, 42,000 kPa, 70,000 kPa
• Also available in MPa, and BAR capacities
• Gauge Protector comes complete with a 2” - 1502 wing nut

Benefits:

• 6" dial face on gauge allows clear viewing from long distance
• Rugged design over years of service has proven this gauge to be accurate and dependable in extreme conditions.
• Flexibility of mounting design allows gauge to be mounted in a drillers console, bracket mount or panel mounted in a pumping truck.
• 360 degree calibration allows operator to view the smallest pressure changes.
• Damper allows operator to adjust gauge sensitivity to ensure accurate readings in all kinds of pumping conditions.
• Fluid filled to protect the gauge from rig vibrations and frosting in winter.

To Order Specify:

• Application
• Required capacity
• Gauge mounting
• English or Metric divisions
• Diaphragm protector, 1:1 piston isolator or 4:1 debooster
• Hose length
• Single pointer or dual pointer (compound) gauge