Auto calibration of incremental analog quadrature encoders. This type of encoder is for the most demanding and extreme duty. See our autodriller brochure in english, spanish, portuguese or russian. Method for calibrating rotary encoder with multiple. Descriptions of each logging tool, the compulog system, the drawworks, and s3000 logging truck are also available. Throughout every region in the world and every area of drilling and production, our family of companies provides the expertise, equipment, and operational support necessary for successnow and in the future. Homemachine calibration and optimisationcalibration service, support and trainingcalibration software downloads renishaw has a policy of regularly updating its software to fix bugs, add. Click image to magnify the status button allows the user to view many of the diagnostic signals coming for the system vi such as tool current, voltage, fsk signals, high speed signals, plus and minus 5 volts from the encoder, etc. Pneumatically actuated device to monitor the updown movement of the travelling block when not possible to attach drawworks encoders directly to rig. Is a largesized organization in the heavy construction equipment rental companies industry located in cedar park, tx. Gagetrak has a solid track record spanning over three decades and is used at over 12,000 facilities worldwide. However, the drawworks encoder measurement may have an inherent error.
The drumstyle depth encoder is package for connection to a rigs drawworksdrum for tracking depth. Biss calibration for biss calibration example settings please refer to the annex. If you require a hard copy manual, please call dynapar customer service at 1. Polariss depth tracking system dts incorporates automatic slips detection and an easy to use drawworks calibration procedure to provide precise depth tracking data for your logging operations. Drill string motion detection for bit depth calculation md.
A motion compensator encoder mce operates in exactly the same way as the gte in that a length of thin wire on a springloaded retrieval system is attached to the top drive while the retrieval system and encoder section are attached to. Mezintel depth tracking system standalone witsbased system that interfaces with any 3 rd party logging software mezintel depth tracking system is a portable addon unit for oil and. Block movement, and thus rop, is detected via a drawworks mounted encoder, and the total weightwob is obtained from the weight indicator system or the hookload sensor. Hdtv calibration free hdtv calibration software download. Browse globalspecs datasheet directory to locate information and specifications for more than 8 million products. Programming unit display for programmable sick dfs60, dfv60, afsafm60, ahsahm36 encoders, and wire draw encoder with dfs60, afsafm60 and ahsahm36. Unit e 126, 3f, wing tat commercial building, 97 boham strand east, sheung wan,hongkong tel. Pdf automated slide drilling system and multibody dynamics. Oil field draw works encoders designed specifically for the oil field industry. This project makes it possible to use a normal soundcard to generate a stereo signal for fm radio transmitters. With the help of capterra, learn about beamex calibration software, its features, pricing information, popular comparisons to other calibration management products and more. Electric encoder explorer setup and calibration sw tool, supports mounting, offset calibration and signals level analysis. The it system 116 may include software, computers, and other it equipment for.
Top 4 download periodically updates software information of encoder full versions from the publishers, but some information may be slightly outofdate using warez version, crack. Pid, which stands for proportional integral derivative, controllers use a control loop feedback mechanism to control process variables and are the most accurate and stable controller. Usually this is for the purpose of monitoring or controlling motion parameters such as. It requires a straightforward 3point calibration procedure and produces highly accurate.
To provide a continuous depth for the log data the movement of the block is tracked at surface with geolograph or drawworks encoder. It is supplied with a standard 1 14 diameter threaded connection and a convertible adapter that allows its use in systems with a 58 18. Pushing the envelope of encoder accuracy is therefore a very interesting subject. Rodrigo martins electro electronic engineer national. Lci 2000 hp drilling rig drawworks 1 each lci 2000horse power single drum drawworks, drum size 27 x 50, modelk braking system, crownomatic installed. From wikipedia, the free encyclopedia jump to navigation jump to search a gray code absolute rotary encoder with tracks. The depth measurement system employs an algorithm for calculation of travelling block height and a sensor module providing angle information for the position. Further, to calibration, a block reference is often to be reset. A simple method for highprecision calibration of an angle. A motion compensator encoder mce operates in exactly the same way as the. Encoder working principle encoders are used to translate rotary or linear motion into a digital signal. The rotary depth sensor couples directly to the azimuth depth tracking unit dtu and is a robust rotary encoder designed for use in hazardous areas. This specially configured drawworks model hs35 encoder combines rugged, heavyduty features into a unique throughshaft style for use as a winchturns counter in the drawworks system of oil rigs. Novel selfcalibration for airbearing rotary encoders.
Loadcraft industries featuring the lci 2000ss lci single drum electric drawworks 147 foot 3 foot free standing mast 15,000 feet drilling depth 3811 n. It incorporates dual bearings and shaft seals for nema 4 and ip65 ratings, a hardanodized metal housing and a sealed connector. These drawworks require minimal maintenance and are entirely. It can operate in high shock and vibration environments and is an intrinsically safe version, certified to atex, when used with the appropriate is barrier. Works as an interface to allow the user to calibrate and set the wob target, pressure limit, and rop limit. Cory langford lwd technical advisor scientific drilling. To avoid this, choose an encoder whose ppr is an even multiple of the value that is being measured. Drilling rig instrumentation products industrial control. A new methodology for vibration error compensation of. The encoder includes an encoder rotor that extends outward from a sealed housing such that a clearance gap is defined between the rotor and housing. Calibration software are developed by the instrumental teams, and will be incorporated into the function libraries section 4, simulation software section 5. This document describes encoder theory, the basics of measuring an. The encoder also includes at least one sensor configured to activate via magnetic flux and is configured to dissipate electrical signals with a power amplitude less than approximately one microwatt. This robust encoder features a doublesealed housing that allows applications where regulatory washdown or caustic chemicals are present.
The software must be used in conjunction with the adti100 hardware part number a61950100 or the adta100 hardware part number a65250100 which. Calibration of the movement of the traveling block to the revolutions of the drawworks is required. For decades, the industry has relied on brands like varco, national, and hydralift to push the boundaries of equipment design. Full block height calibration encoder on drawworks if this is the first time a full block height calibration has been done, follow the steps below to calibrate the system. Figure 1a shows the signals s 0 and s 180 generated in the photodetectors of a four field scanning encoder and the resultant measurement signal s a s 0. Shafar fareeth lead electrical and instrumentation engineer. Optical encoders frequently asked questions renishaw. The system is equipped with a selfcalibratable rotary encoder selfa, operating on the same selfcalibration principle as the national angle standard in japan. Then the software can read the encoder whenever the limit is detected, and apply this reading as an offset to all position calculations. If the bails or elevators are changed and the new equipment is of a different size, the anticollision limits and system calibration will need to be changed to accommodate the new equipment. This specifically configured drawworks model hs35 encoder combines rugged, heavyduty features into a unique throughshaft style for use as a winchturns counter in the drawworks system of oil rigs. This user manual explain how to use the calibration tool as2550 bissssispi.
To view these documents you must have a version of adobe acrobat reader installed. Due to multiwrapping, use of a drawworks encoder involves a relatively complicated calibration procedure, which is to be repeated each time the drill line is replaced due to wear. Calibration of the movement of the traveling block to the revolution of the drawworks needs to be performed. Lwd measurements as a rule are referenced to the drillers depth. Specially configured rotary encoder with rugged, heavyduty features for use as a winchturns counter in the drawworks system of oil rigs. Us20080007256a1 method and apparatus for monitoring rotary. See the complete profile on linkedin and discover rodrigos. Figure 4b illustrates a plot of actual versus measured depth in a calibrated. Calibration automation software typically includes features for documenting calibration procedures, storing calibration data, and producing reports, allowing you to eliminate paper. Drill string motion detection for bit depth calculation. The drillers depth is based on a pipe tally a list of tape measurements made for each stand of the pipe lowered into the well. Often, encoder feedback is used to ensure synchronization of the motor stator and rotor positions to drivesupplied current, so. Weber systems is the leading online destination for buying and selling new, used and rebuilt oilfield and drilling instruments. Video projectormonitor calibration software orginally developed as colorhcfr.
A pid controller is an instrument used in industrial control applications to regulate temperature, flow, pressure, speed and other process variables. This calibration tool is need ed to calibrate your encoder after mounting in your. For example, if one revolution of the encoder equals 12 inches, choose a 1200 ppr encoder. Being mechanical in nature and being inline with the main drawworks shaft means that operations are. The result is a simple design with few mechanical parts, a small footprint, and lightweight. The adt view software can be used to give comprehensive, real time feedback from the vionic, quantic, atom dx, resolute and evolute encoder systems for calibration and diagnostics. One embodiment of the present invention provides a method for calibrating a rotary encoder including a rotatable disk including at least two index points located along a circumferentially. Rls design and manufacture angular magnetic encoder ics, rotary and linear encoders, interpolator ics and photodiode arrays for customers worldwide in a broad range of applications. Provides over 8000 ticks per revolution, giving precise sensing of drawworks movement information to the control box. This specially configured drawworks model hs35 encoder. If repeatable components of rotary encoder errors can be calibrated accurately, then they can be corrected through software mapping. It requires a straightforward 3point calibration procedure and produces highly accurate depth tracking. Rls design and manufacture angular magnetic encoder ics, rotary and linear encoders, interpolator ics and photodiode arrays for customers worldwide in a broad range of.
Biss calibration is only possible with adapter mb4u or mb5u. Shafts are made of stainless steel and can be up to 50mm or up to 2 size thread. The apparatus provided is a drawworks encoder mounting assembly which. T he numerical simulation core, commonly called a solver, simulates the drilling system response to the co ntrol command from the. The encoder comes in many versions, namely incremental and tachometer. The qualer platform provides bestinclass functionality, with our calibration management software, for tracking asset calibrations and maintenance. The wireless version of the dts utilized 900mhz spread spectrum radio modems that dramatically reduce interference problems from crowded 802. Encoder and sensor solutions for the oil and gas industry. The smartdrill 21 system can be installed on drawworks with disc brake or band brake and provides 3 important functions related to drill penetration and block movement. For calibration you need an encoder, interface type see matrix 3. Md totco product line provides realtime drilling instrumentation, visualization solutions, and data communication to support a variety of backoffice information management offerings.
Another important factor in determining the required pulses per revolution is the encoders maximum speedboth mechanical and electrical. Use calibration control our calibration software to manage equipment and tools that require regular checks to confirm continued reliability and usefulness. Gurley precision instruments small industrial rotary absolute encoder serial 37 mm aluminum housing 34 mm 0. Jan 14, 2018 founded in 2005, martindecker totco, inc. The university of british columbia ubc has developed a selfcalibration method for airbearing rotary encoders that eliminates the need for additional calibration instruments. A simple method for highprecision calibration of an angle encoder using an electronic nulling autocollimator.
Water circulated 54 x 10 38 brake rims auxiliary brake one each model336 waterdisc braking for assist brake. This specifically configured drawworks model hs35 encoder combines rugged, heavyduty features into a unique throughshaft style for use as a winchturns counter in the drawworks. View rodrigo martins profile on linkedin, the worlds largest professional community. View cory langfords profile on linkedin, the worlds largest professional community. No cable runs or encoder rigup reducing flat time between drilling and casing running less kit reduced rigup timesub and laptop with usb receiver are all that is required data formatted to integrate with your torqueturn software or a turnkey solution can be provided through our wincatt system.
Isw38 drawworks intrinsically safe encoder dynapar. Selfcalibration for precision encoders richard graetz1, darya aminshahidi1, kris smeds1, and xiaodong lu1 1the university of british columbia, vancouver, british columbia. Hookload sensor a hookload sensor is used to measure the weight of the load on the drill string and can be used to detect whether the drill string is inslips or outofslips. Through downward motion of the traveling block, the drillassisttm works in parallel with the drillers joystick control. Encoders and sensors used in the oil and gas industry must withstand high temperature and pressure, potentially explosive.
Determining pulses per revolution for an encoder application. We sell drawworks controls, drillers consoles, rig floor. Spi calibration for spi calibration example settings please refer to the annex. Improving lwd image and formation evaluation by utilizing. See the complete profile on linkedin and discover corys. Resolute trueabsolute 30 m encoder system, winner of the queens award for enterprise 2015 in the innovation category. Like all rigserv equipment, the smartdrill 21 is designed with open architecture hardware and software. At the top, the housing, interrupter disk, and light source can be seen. Encoder software free download encoder top 4 download. Access renishaw optical encoders frequently asked questions.
Autodriller, kinetic energy monitoring and crown block saving. It saves the tedious calibration step, and reduces errors. Mezintel depth tracking system standalone witsbased system that interfaces with any 3 rd party logging software mezintel depth tracking system is a portable addon unit for oil and gas drilling operations for purpose of realtime measurement of bit depth, rate of penetration, weight on bit, and slips inout detection for display on pcs. Click image to magnify the status button allows the user to view many. The drumstyle depth encoder is package for connection to a rigs drawworks drum for tracking depth. Usually this is for the purpose of monitoring or controlling motion parameters such as speed, rate, direction, distance or position. A rotary encoder, also called a shaft encoder, is an electromechanical device that converts the angular position or motion of a shaft or axle. Rotary encoders hs35 drawworks optical encoder hs35 drawworks optical encoder supplier. The unit connects directly to the drawworks, is fully atex approved, ip67 enclosure rating and designed for heavy duty applications such as mwd depth monitoring. Unmatched top drive system performance and reliability our top drive systems offer unmatched performance and reliability while continuing to drive longer, heavier strings through complex formations. This is a simple opencv based camera calibration program.
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