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Revised May 1, 2019

Revision 25 of DOCU225, © Copyright

Page 9 of 44

3 Connecting Hardware for WITS Communication

WITS communication requires a physical connection between Pason and third-party
systems. This section includes information about how to complete the required hardware
connections.

3.1 Connection Instructions for Third-Party Users

Third parties can connect their systems to Pason’s using one of these three methods:

•

Connect to a Pason Workstation computer (TPC and VSP systems).

•

Connect to the toolpush connection box (TPC systems) or network panel
(VSP systems).

•

Connect to a Pason Doghouse Computer (DHC), SideKick, or Universal
Junction Box (UJB) (TPC and VSP systems).

Important

:

Pason only supports the three above methods to connect WITS devices to our system.

Specifically, note that the RS-232 ports on trailer access points (TAPs)

do not

support WITS

connections. WITS connections to TAPs haven’t been fully tested and their reliability is unknown.

Connecting a WITS device to a DHC or SideKick can in some cases adversely affect wireless

communications between the DHC and the network.

All of the parts and cables described in the following connection procedures are
available for purchase from your Pason representative.

Once third parties connect their hardware, Pason recommends that a Pason field
technician inspect the connections and complete the initial WITS set up in the EDR.

Connecting a WITS Device via a Pason Workstation

Connecting a WITS device via a Pason Workstation is the most common connection
method. Follow these steps to connect a WITS device to the EDR via a Pason
Workstation:

1. Ensure that the Pason Workstation is powered on.
2. Use a Pason Send to Hub cable (CBLASS155), or a generic DB9 9-pin serial null

modem cable, to connect the WITS device to comm port 1 on the Pason
Workstation as shown in Figure 1.

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Summary of Contents for WITS

Page 1: ...e Revision 25 of DOCU225 Revised May 1 2019 Quick Links Overview 6 Understanding Pason WITS 7 Connecting Hardware for WITS Communication 9 Setting Up WITS in the EDR 14 Using the WITS Monitor 39 About WITS Port Pin Outs 42 ...

Page 2: ... version of the document Documents with the latest date replace any and all previous versions of the same document The most current is definitive in case of contradictions errors omissions or misstatements While all reasonable care has been taken in the preparation of this document no liability is accepted by the author s for any errors omissions or misstatements it may contain or for any loss or ...

Page 3: ...ns 13 4 Setting Up WITS in the EDR 14 4 1 Set up on UJB 14 4 2 About Handshaking 14 Establishing and Maintaining WITS Communication 14 4 3 Setting up the EDR Comm Port 15 Setting up an EDR Comm Port for WITS Connections via a DHC Workstation SideKick or UJB 15 Setting up the EDR Comm Port for WITS Connections via Toolpush Connection Box or Network Panel 15 Determining the Assigned Comm Port for WI...

Page 4: ... Code 27 4 7 Setting Up WITS Codes for Custom Sensors 29 4 8 Sending WITS 01 Codes to the EDR 30 4 9 Sending Gamma and Gamma Lag Calc 30 4 10 Importing and Exporting Your WITS Settings 31 4 11 Default Pason WITS Codes 32 4 12 Typical WITS Packets sent to Pason 36 4 13 Sample Half WITS Data Sent by Pason 37 4 14 Sample Full WITS Data Sent by Pason 37 4 15 Using the WITS Monitor 39 5 About WITS Port...

Page 5: ... WITS device to a DHC SideKick or UJB 13 Figure 7 Recommended WITS handshaking packet 15 Figure 8 Comm port with a WITS connection 16 Figure 9 Comm Port Setup screen 18 Figure 10 WITS Comm Options screen 19 Figure 11 WITS setup screen 23 Figure 12 Highlighted custom WITS row 25 Figure 13 Changing a custom WITS code used for sending 28 Figure 14 WITS in All tab 30 Figure 15 WITS Monitor screen 40 F...

Page 6: ...r systems The WITS specification is an industry wide standard used by companies involved in petroleum exploration and production The Pason Electronic Drilling Recorder EDR can use WITS to communicate with another service company s equipment Service companies referred to as a third parties in this document may only need to receive specific data or send specific data to the EDR but in most cases the...

Page 7: ...lex communication data can travel in two directions simultaneously This is different than half duplex communication which allows data to travel in one direction at a time like voices on walkie talkie radios 2 3 Handshaking Establishing and maintaining WITS communication between connected WITS devices and the EDR requires a handshaking procedure For details about how to complete the handshaking pro...

Page 8: ...ure of our communication cables The EDR uses this header to distinguish between sent data and received data If a WITS device requires the removal of the 1984PASON EDR header ensure that the device is connected to the EDR via a COMM022 and that its EDR comm port is set to Send Only Refer to Setting the Send Receive Mode on page 17 for step by step instructions ...

Page 9: ...ccess points TAPs do not support WITS connections WITS connections to TAPs haven t been fully tested and their reliability is unknown Connecting a WITS device to a DHC or SideKick can in some cases adversely affect wireless communications between the DHC and the network All of the parts and cables described in the following connection procedures are available for purchase from your Pason represent...

Page 10: ...tion boxes and network panels are typically located on an outside wall of the rig manager s trailer Look over the illustrations below to see the connections to the different types of panels Figure 4 on page 11 shows a COMM022 in more detail Note Pason COMM022 communication comm boxes ship with full duplex communication enabled COMM022 comm boxes have a jumper that enables you to choose half or ful...

Page 11: ...d May 1 2019 Revision 25 of DOCU225 Copyright Page 11 of 44 Figure 3 Connecting a WITS device to a network panel Figure 4 COMM022 comm box and components DB 9 AC plug Military 10 pin connector RS 422 RigComm ...

Page 12: ... Ensure that the DHC SideKick or UJB is powered on 2 Secure the WITS to RS232 6 ft cable CBLASS390 to the WITS Device port on the Hazardous Area WITS Interface Assembly COMM087 Secure the female DB 9 end to the WITS device Figure 5 COMM087 comm box and components 3 Connect a RigComm RS 422 cable to the RigComm port on COMM087 Connect the other end to any available powered RS 422 port on the DHC Si...

Page 13: ...is set to WITS Setup Ports Change to WITS from the UJB local interface This requires UJB firware version 11 or higher Figure 6 Connecting a WITS device to a DHC SideKick or UJB 3 2 Testing WITS Connections If you are having problems with WITS communication a Pason field technician can test WITS connections using the proprietary Pason WITS RSVP application For help testing your WITS connections con...

Page 14: ...ve If you connected the WITS device via a toolpush connection box or a network panel handshaking also prompts the EDR to display a WITS protocol in the Comm Port Setup screen so handshaking is useful for determining which ports are connected to WITS devices Important Failure to continuously send at least one packet to the EDR every 30 seconds causes the EDR s communication engine to time out stopp...

Page 15: ...Workstation SideKick or UJB If you connected the WITS device to the EDR via a DHC Workstation SideKick or UJB the device doesn t appear in the EDR Comm Port list In these cases you do not need to set up a comm port To determine if WITS is working in these setups check the WITS monitor check the EDR for WITS traces sent by the third party device or check the third party device for WITS values sent ...

Page 16: ...uttons to scroll through the comm ports list until you see a comm port showing one of the following under New Protocol WITS 9600 8 N 1 WITS 115200 8 N 1 WITS 230400 8 N 1 WITS 460800 8 N 1 or WITS 921600 8 N 1 Comm ports connected to WITS devices display one of these WITS protocols Figure 8 Comm port with a WITS connection Setting the Assigned Comm Port s Transmission Speed for WITS Connections vi...

Page 17: ... device to the Pason system determines which Send Receive options are available Send Receive Options for WITS Connections to a DHC Workstation SideKick or UJB DHC Workstation SideKick and UJB hardware is hard coded to send and receive so you cannot use send only mode or receive only mode when you connect to a WITS device via these devices With these setups the handshaking procedure on page 14 inst...

Page 18: ... Figure 9 Comm Port Setup screen 2 Select the assigned WITS comm port as described in Determining the Assigned Comm Port on page 16 3 Click either Toggle Next or Toggle Prev to turn off the Auto setting and toggle through the additional protocols 4 Click WITS Setup The WITS Comm Options screen opens ...

Page 19: ...urn to the EDR main screen 4 5 Selecting WITS Codes There are several ways to specify which WITS codes the EDR sends as described below but the EDR is hard coded to receive specific codes The EDR can receive WITS record 01 02 07 08 09 11 12 17 18 and 63 packets plus custom WITS codes see the full table of valid WITS codes in Default Pason WITS Codes on page 32 If you need the EDR to receive a code...

Page 20: ...On a Workstation use this tab to set up WITS codes being sent to devices connected to the Workstation WITS Monitor Diagnostic tool for troubleshooting Transmission and Interval These settings are used together to determine the period between sent WITS codes They apply to all the WITS codes in the group you select Use the Transmission drop down list to select the type of transmission the interval i...

Page 21: ...list to select how the EDR calculates the WITS value Import and Export See Sending Gamma and Gamma Lag Calc When sending Gamma code 0824 and Gamma Lag Calc code 0821 data to the EDR make sure you meet these packet and frequency requirements Send both codes in the same WITS packet Problems occur when Pason receives one or the other but not both Send the packet at a minimum 0 2 m 1 ft interval A wel...

Page 22: ...f WITS Or 4 To select outgoing WITS codes individually click on an unselected WITS code s Enable check box 5 Select the Transmission type and Interval for the selected group of WITS codes The transmission type and interval apply to all WITS codes in the group 6 Select the display Unit and type of Data Summary from the drop down lists See Table 1 above for more information about these selections 7 ...

Page 23: ...1 Click Menu Setup WITS The WITS setup screen opens 2 Click the tab of the Pason computer you want to send the WITS codes WITS Out RMPC WITS Out TPC Server etc 3 Click the Pason EDR Traces button The screen displays all available EDR traces not currently included as a standard WITS code 4 Check the Enable check box of the traces you want to send 5 Select a transmission type The transmission type a...

Page 24: ...ow the EDR calculates the WITS value 8 When you are finished configuring click Save Exit to return to the Setup Menu 4 6 Configuring Custom WITS in the EDR If you need to send or receive data not listed in the table of Default Pason WITS Codes on page 32 you must set up a custom WITS code Once a custom WITS code is set up the EDR can receive it from any connected WITS device but you need to follow...

Page 25: ... codes If the code you enter conflicts with a current EDR WITS code the EDR highlights your entry in red and does not allow you to save your settings Name To enter a name for the custom WITS code click under Name in the highlighted row and enter a name Unit To select the display units click under Unit in the highlighted row and enter the name of the display units Note that these are display units ...

Page 26: ...s an important selection for time sensitive data The EDR displays the last received WITS value until the sender transmits a new value or until it reaches the end of the shelf life period WITS data with a long shelf life can be misleading if users don t know the data s age 5 To enable your custom code to be sent or received click on the code s Enable check box 6 Click Save Exit to return to the Set...

Page 27: ...ent custom code Use this feature if a third party on the rig is sending a WITS code to Pason that they can t change but that code is unusable by another party who wants to receive it from Pason For example Acme Drive Consulting could be sending top drive RPM to the Pason system as 4002 but General Directional Associates needs to get top drive RPM from Pason as 0120 If you need to do this follow th...

Page 28: ...Revised May 1 2019 Revision 25 of DOCU225 Copyright Page 28 of 44 Figure 13 Changing a custom WITS code used for sending ...

Page 29: ...own to the Custom Analog Port section You should see the name of the custom sensor listed 5 Click in the custom code s row The EDR highlights the row 6 Click under Code in the highlighted row and enter a four digit WITS code Ensure that the code is different from existing WITS codes If the code you enter conflicts with a current EDR WITS code the EDR highlights your entry in red and does not allow...

Page 30: ...before you set this up If not properly configured WITS 01 code data can cause the EDR to display incorrect values and negatively impact other applications You ll find the WITS in All tab on the WITS setup screen in the EDR Figure 14 The EDR receives diff pressure on code 0150 even though it sends diff pressure on code 0171 If you send diff pressure to the EDR you must also send standpipe pressure ...

Page 31: ...location from the Save In drop down list 4 Enter a name for the saved settings file Note that the default file name includes the name of the Pason computer the settings are currently applied to which is useful 5 Leave the file type at the default of WITS Out Template Files 6 Click Save Follow these steps to import WITS settings 1 Select the WITS out tab of the Pason computer you want to apply the ...

Page 32: ...cket Name WITS Code EDR can Receive EDR Sends in Full WITS Mode EDR Sends in Half WITS Mode Record 01 General Time Based Available Transmission Types Time Based or Request Response Well ID 0101 Date 0105 Time 0106 Bit Depth 0108 Y Y Y Hole Depth 0110 Y Y Y True Vertical Depth 0111 Y Block Height 0112 Y Y On Bottom ROP 0113 Y Y Y Hook Load maximum 0115 Y Y Weight on Bit 0117 Y Y Rotary Torque 0119 ...

Page 33: ... Record 02 Drilling Depth Based Available Transmission Types Depth Based or Request Response Date 0205 Time 0206 Hole Depth 0208 Y Y On Bottom ROP 0210 Y Y Weight on Bit 0211 Y Y Hook Load 0212 Y Y Standpipe Pressure 0213 Y Y Rotary Torque 0214 Y Y Rotary Rpm 0215 Y Y Total Pump Output 0219 Y Y Flow 0221 Y Y Total Mud Volume 0222 Y Y Record 07 Survey Directional Available Transmission Types Time B...

Page 34: ...Porosity 2 Lag Calc 0832 Y Y Porosity 2 0834 Y Y Formation Density Lag Cal 0839 Y Y Formation Density 0841 Y Y Record 09 MWD Mechanical Available Transmission Types Time Based Depth Based or Request Response Date 0905 Time 0906 Downhole Pressure 1 0913 Y Y Record 11 Mud Tank Volume Available Transmission Types Time Based Depth Based or Request Response Date 1105 Time 1106 Hole Depth 1108 Y Total M...

Page 35: ... NC5 1218 Y chr Neo Pentane NC5 1219 Y chr Iso Hexane IC6 1220 Y chr Nor Hexane NC6 1221 Y chr Carbon Dioxide CO2 1222 Y chr Acetylene 1223 Y chr Oxygen O2 1225 Y chr Gas Specific GravityM 1226 Y chr Total Gas 1229 Y Y Record 17 Cementing Available Transmission Types Time Based Depth Based or Request Response Cement Date 1705 Y Cement Time 1706 Y Y Cement Pump Pressure 1712 Y Y Cement Slurry Rate ...

Page 36: ...Y Total Gas Return 1828 Y Y Nitrogen Volume Out 1829 Y Y Water Out 1830 Y Y Water Nozzle 1831 Y Y Record 63 Pason Available Transmission Types Time Based Depth Based or Request Response Date 6305 Time 6306 Magnetic Toolface 6310 Y Y Gravity Toolface 6311 Y Y Magnetic Toolface 6339 Y Y Gravity Toolface 6340 Y Y 4 12 Typical WITS Packets sent to Pason A typical packet from a total gas detection syst...

Page 37: ...9 01130 35 012350 00 012435 00 012515 00 01373228497 00 014232284 90 01431614255 00 01441129965 00 0145484277 00 4 14 Sample Full WITS Data Sent by Pason A typical Full WITS packet is as follows 1984PASON EDR 0108136 17 0110136 17 01120 00 01130 35 0115123 90 011721 60 0119501 00 0120160 00 01215510 00 01225088 75 012350 00 012435 00 012515 00 0126800 00 012871 00 01373228151 00 0139 is the lag de...

Page 38: ... 00 1984PASON EDR 18150 00 18180 00 18190 00 18270 00 18210 00 18290 00 18280 00 18300 00 18200 00 18310 00 1984PASON EDR 1108136 17 1110800 00 1111800 00 1115100 00 1116100 00 1117100 00 1118100 00 1119100 00 1120100 00 1121100 00 1122100 00 11295 00 1984PASON EDR 09130 00 1984PASON EDR 07130 00 07150 00 1984PASON EDR 12120 00 12130 00 12140 00 12150 00 ...

Page 39: ...15 Using the WITS Monitor Starting in EDR version 14 12 the EDR includes a WITS monitor Figure 16 The WITS monitor is a simple diagnostic tool included in the EDR on every Pason Workstation It s intended for rig personnel who have a good understanding of WITS and packet communications Use it to troubleshoot WITS issues at the rig To access the WITS monitor follow these steps from the EDR main scre...

Page 40: ...nected device s command prompt screen Use the IP address displayed at the top of the command prompt screen to find the device on the WITS monitor screen The EDR starts displaying the packet information in the WITS In and WITS Out boxes 4 Select Raw or Interpreted in the Format box The Raw format gives you only WITS packet information the Interpreted format adds more detail as shown in Figure 16 be...

Page 41: ...s WITS packets in the order the EDR receives or sends them Note If a Pason technician needs to troubleshoot WITS communications using CommEngine log files they can use the Port and Port Name details to identify the CommEngine to work on Each WITS device is represented by its own CommEngine process WITS CommEngine troubleshooting information is available to Pason personnel in KBase 1125 Debugging W...

Page 42: ...tions 5 1 RS232 Port Pin Outs Pason provides two communications boxes for use by third parties interested in setting up WITS communications between an RS232 device and the EDR system COMM022 and COMM018 Both of these comm boxes convert RS232 to RS422 which the EDR can accept COMM022 RS232 Pin Outs COMM022 provides a DB9 connector on the third party side The table below lists pins and descriptions ...

Page 43: ...sed Figure 18 COMM018 RS232 pin outs 5 2 RS422 Port Pin Outs Conversion via a communications box is not required if your third party device has RS422 communication because RS422 communication is what the EDR accepts You can use a cable to connect your device directly to the RS422 port on a DHC or SideKick Note Be aware that not all RS422 ports are powered The RS422 ports on the DHC and SideKick ha...

Page 44: ...ge 44 of 44 Accepts Plug male Amphenol PT06E12 10P or equivalent The table below lists pins and descriptions for the RS422 port pin out Pin Description A TX B TX D RX E RX J GND H 12V G GND all other pins unused Figure 19 RS422 ports pin outs A B D E J H G ...

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