VENT LINE ON DERRICK - VENT LINE TO TOP OF DERRICK - GALVANISED
- SIPHON BREAKER LINE VENT FLANGE - INSP.PORT - FLANGE - OF PIPE-
OF PIPE- MUD GAS SEPARATOR - DISCHARGE - FLANGE - DRAIN-
(VICTAULIC) ()MANWAY - -FLANGE - DRAIN MANIFOLD OUTLET HALF
COUPLING - PLUG - MANIFOLD CLEAN OUT BLIND FLANGE - MANIFOLD INLET-
API FLANGE- SEE NOTE- . CONC. RED. (TYP) - ()CHOKE MANIFOLD -
BUFFER CHAMBER - SWACO SUPER CHOKE- SWACO Super ADJUSTABLE CHOKE -
HAMMER UNION - OVERBOARD DISCHARGE LINE - TOP OF DRILL FLOOR ROTARY
HOSE - STAND PIPE MANIFOLD - HAMMER UNION- BLEED OFF LINE- KILL
LINE- CHOKE LINE - HIGH PRESSURE COFLEX HOSE TO BOP - TO CEMENTING
HEAD TO STANDPIPE- HP MUD LINE FLEXIBLE HOSE - DISCHARGE IN PIT
FRESH WATER - DRILLING FLUID - SEA WATER- FUNNEL - MAKEUP
-PREVENTOR ASSEMBLY -
MUD DITCH - IN FLEXIBLE HOSE HAMMER UNION FEMALE - SOUR GAS
SERVICE - HAMMER UNION FULL SET - CEMENTING UNIT-
CEMENT SUPPLY - BOP STACK - HAMMER UNION FULL - POP OFF VALVE -
BLEED OFF LINE - MUD PUMP- TO MUD PIT- TO LEG JETTING IN DITCH
DITCHMAKEUP- DISCHARGE PS - DISCHARGE SB-
LEGEND- BUTTERFLY VALVE - FLEXIBLE HOSE- STUDED TEE
STUDEDPRESSURE RELIEF VALVE- HYDRAULIC CONTROL VALVE- CHECK VALVE-
LOW TORC PLUG VALVE - Lo-torcGATE VALVE - CONCENTRIC REDUCER-
PRESSURE GAUGE- PRESSURE TRANSMITTER- HAMMER UNION- DVR - DIVERTER-
WELL HEAD- ANNULAR PREVENTER - DOUBLE RAM PREVENTER - SINGLE RAM
PREVENTER - TOP DRIVE VIREO - VIREOBALL VALVE HYDRAULIC BALL VALVE
MANUAL- DRILLING MUD (MANIFOLD) LINES ()CHOKE MANIFOLD LINES
CEMENTING LINES- Position of valves during normal drilling process
:
- in piping of BOP stack are open valves no 2 and 3. The rest of
valves are closed.- 2,3. ;- in piping of drilling mud manifolds are
open valves no 27,29,31,33,37,41 (or no 23,28,30,35,39,43). The
rest of valves are closed.- 27,29,31,33,37,41 ( 23,28,30,35,39,43).
;
- in the piping of choke manifold are open valves no
8,16,17,20,21. The rest of valves are closed.- 8,16,17,20,21.
;Position of valves at direct circulation killing: :
- in piping of BOP stack are open valves no 2, 3, 4. The rest of
valves are closed- 2, 3, 4. ;- in piping of drilling mud manifolds
are open valves no 27,29,31,33,37,41 (or no 23,28,30,35,39,43). The
rest of valves are closed.- 27,29,31,33,37,41( 23,28,30,35,39,43).
;- in the piping of choke manifold are open valves no
8,16,17,20,21, SSC 2. The rest of valves are closed.Position of
valves at reverse circulation :- in piping of BOP stack are open
valves no 1,2, 3. The rest of valves are closed- 1,2, 3. ;If using
mud pumps: :- in piping of drilling mud manifolds are open valves
no 35(or no 39, or no 43),23,25,28. The rest of valves are closed.
To discharge install circulating head on top of drilling string;-
35 ( 39, 43) ,23,25,28. ; ;- in the piping of choke manifold are
open valves no 6,7,9,10,13. The rest of valves are closed.-
6,7,9,10,13. ;If using cementing unit: :- in the piping of choke
manifold are open valves no 5,6,13. The rest of valves are closed.-
5,6,13. ;- in piping of drilling mud manifolds are open valves no
26,29,31 to discharge. The rest of valves are closed.- 26,29,31 .
;Position of valves when using a diverter to discharge reservoir
fluid: :
- Open valves no 44 (or 46). The rest of valves are closed.- 44
( 46). ;Characteristic of BOP stack: :Diverter:- Annular preventer:
Ram preventer- Rams pipe ram top, blind ram bottom , Annular
preventer - Double ram preventer - Rams top, shear/blind ram bottom
, Single ram preventer - Ram pipe ram - Choke and kill lines valves
(on BOP) hydraulic actuated Diverter piping valves hydraulic
actuated- Enumeration and characterization of the choke manifold
valves: :Swaco super choke adjustable choke with hydraulic control
- Swaco super - Adjustable choke - adjustable choke with manual
control - - Enumeration and characterization of the drilling mud
manifold valves: Gate valve- Plug valve- Cementing unit manifold
valves Manual valve- Butterfly valve (below main deck)- ( )
