1/24/2022 12:00 AM 2022 Winter API Conference 
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 Committee Scope

SC16 Subcommittee on Well Control Equipment and Supporting Systems for Drilling and Intervention​​ Operations, develops, approves, and maintains standards pertaining and related to the design, manufacturing, inspection, testing, maintenance, and operation of well control and pressure control equipment installed at or above a drilling wellhead or production equipment.  SC16 standards cover well control equipment, pressure control equipment and its supporting systems utilized in drilling, completions, workovers, interventions, and well servicing operations.  The standards developed and maintained by SC16, under the guidance advised from its ranking officers and members, is supported with additional resources having expertise in the areas of drill through equipment and its controls, pressure control equipment, manufacturing and well control operations.


SC16 maintains or is currently developing the following standards:

16A       Spec: Drill-through Equipment                                                                                     
16AR     Std: Repair & Remanufacture of Drill-through Equipment
16AS     Std: Integration of Subsea BOP Equipment Systems for Drilling Wells                         In development
16B       Spec: Coiled Tubing, Snubbing, and Wireline Well Control Stack Equipment              In development
16C       Spec: Choke and Kill Equipment
16CBM RP: Condition Based Maintenance Systems                                                                      In development
16CR     Std: Repair and Remanufacture of Choke and Kill Equipment                                       In development
16D       Spec: Control Systems for Drilling Well Control Equipment and
Control Systems for Diverter Equipment
16F        Spec: Marine Drilling Riser Equipment
16FI       RP: Frac Iron Inspections                                                                                                ​      In development
16FR     Std: Repair & Remanufacture of Marine Drilling Riser Equipment                                In development
16G       TR: Well Reliability Model                                                                                                     In development
16H       Bulletin: Automated Safety Instrumented Systems                                                         In development
16Q       RP: Design, Selection, Operation and Maintenance of Marine Drilling Riser Systems
16RCD  Spec: Rotating Control Devices
16SB     RP: Snubbing and Hydraulic Workover Well Control Equipment Systems                   In development
16SP     RP: BOP Shear Ram Performance Test Protocol                                                               (Currently 16TR1)
16ST      RP: Coiled Tubing Well Control Equipment Systems
16WL    RP: Wireline Pressure Control Equipment Systems for Cased Hole                              In development
16WS    RP: Surface Well Servicing Pressure Control Equipment                                                In development
Std 53   Std: Well Control Equipment Systems for Drilling Wells
RP 59    RP: Well Control Operations
Std 64   Std: Diverter Equipment Systems


Further details and scopes of the Series 16 standards can be found in the Exploration and Production section of the API Publications catalog.

 Reference Documents
 CSOEM Links


 Ballot IDStatusResultsOpensClosesDescription
Committee ID : 23522872SC16 Task Group 1- 16A,16AR,16AS,16SP
5492ClosedResolution Required06/04/202107/27/2021API Std 16AR, 2nd Edition
Committee ID : 23552873SC16 Task Group 2 - 16B, 16ST, 16WL
5632ClosedResolution Required10/13/202111/17/2021API Recommended Practice 16ST, 2nd Edition, Addendum 1
Committee ID : 23562874SC16 Task Group 4 - 16D
5654ClosedResolution Required11/18/202101/10/2022API Spec 16D, 3rd Edition, Addendum 1
Committee ID : 23572875SC16 Task Group 5 - S53,S64, RP59, 16CBM
5473ClosedPass05/06/202106/06/2021API Bulletin 16H, 1st Edition - Comment Only
5564ClosedPass08/16/202109/27/2021API Bulletin 16H, Automated Safety Instrumented Systems for Onshore Blowout Preventer Actuation, 1st Edition
Committee ID : 23582876SC16 Task Group 6 - 16F, 16FR, 16Q
5485ClosedPass05/26/202107/07/2021API Std 16FR, 1st Edition - COMMENT ONLY
Committee ID : 23592877SC16 Task Group 7 - 16RCD
5560ClosedResolution Required08/10/202109/28/2021API Spec 16RCD, Rotating Control Devices, 3rd Edition
Committee ID : 23552873SC16 Voting Group 2 - 16B, 16ST, 16WL
5133ClosedPass05/05/202006/16/2020API RP 16ST, 2nd Edition, Limited Reballot
Committee ID : 23532870SC16 Voting Group 3 - 16C
4864ClosedPass07/29/201909/09/2019API Spec 16C, 3rd Edition - Re-ballot/ Limited Ballot
5132ClosedPass04/16/202005/28/2020API Spec 16C, 3rd Edition, Limited Reballot
Committee ID : 23582876SC16 Voting Group 6 - 16F, 16FR, 16Q
5104ClosedPass03/24/202005/05/2020API Spec 16F, 2nd Edition, Addendum 1
5290ClosedPass09/11/202010/09/2020API Spec 16F, 2nd Edition, Addendum 1- Limited Reballot
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