THIS POWER POINT PRESENTATION IS RELATED TO THE PETROLEUM STUDENTS

1. WELL HEAD
AND
CHIRSTMASS TREE
FROM: POTHUKUCHI VIHAR

2. CHIRSTMAS TREE
• CHRISTMAS TREE IS AN ASSEMBLY OF VALVES, SPOOLS , AND
FITTINGS USED FOR OIL, GAS, WATER INJECTION, WATER DISPOSAL
, GAS INJECTION , CONDENSATE AND OTHER TYPES
• THE CHRISTMAS TREE AND THE WELLHEAD WORK TOGETHER TO
BRING OIL AND GAS TO THE SURFACE
• THE PRIMARY FUNCTION OF A TREE IS TO CONTROL THE FLOW
INTO OR OUT OF THE WELL, USUALLY OIL OR GAS

3. OVERVIEW
• CHRISTMAS TREES ARE USED ON BOTH SURFACE AND SUBSEA
WELLS. THE TYPE OF TREE AS EITHER "SUBSEA TREE" OR "SURFACE
TREE". EACH HAS A NUMBER OF VARIATIONS
• THE PRIMARY FUNCTION OF A TREE IS TO CONTROL THE FLOW,
USUALLY OIL OR GAS, OUT OF THE WELL.

4. TYPES OF CHRISTMAS TREES
T- SHAPED CHRISTMAS TREE
THERE ARE TWO TYPES OF CHRISTMAS TRESS
Y SHAPED (or)
CROSS SHAPED
CHRISTMAS TREE

5. Surface choke.
COMPONENTS OF CHRISTMAS TREE
Tree cap and gauge.
Tree adapter.
Swab valve.
Kill wing valve. Production wing valve.
Surface choke.
Upper Master Valves
Lower Master Valves
Tubing head adapter.
Production string
Kill wing connection To production facilities
T type fitting (T-Block)

6. ‘Y’ SHAPED TREE BLOCK
FOR INTERGRAL PRODUCTION
AND
KILL VALVE TO REDUCE
POTENTIAL
LEAK PATH & SPACE
‘Y’ SHAPED TREE
BLOCK

7. SURFACE CHRISTMAS TREE

8. SUB SEA CHRISTMAS TREE

9. WELL HEAD
• A WELLHEAD IS THE COMPONENT AT THE SURFACE OF AN OIL OR
GAS WELL THAT PROVIDES THE STRUCTURAL AND PRESSURE-
CONTAINING INTERFACE FOR THE DRILLING AND PRODUCTION
EQUIPMENT.
• THE PRIMARY PURPOSE OF A WELL HEAD IS TO PROVIDE THE
SUSPENSION POINT AND PRESSURE SEALS FOR THE CASING
STRINGS THAT RUN FROM THE BOTTOM OF THE HOLE SECTIONS
TO THE SURFACE PRESSURE CONTROL EQUIPMENT.
• WHEN THE WELL HAS BEEN DRILLED, IT IS COMPLETED TO PROVIDE
AN INTERFACE WITH THE RESERVOIR ROCK AND A TUBULAR PATH
FOR THE WELL FLUIDS

10. COMPONENTS OF WELL HEAD
Tubing hanger
Compact spool
wellhead
Production
casing hanger
Intermediate casing hanger
Conductor
Surface casing
Production tubing
Production casing
Intermediate casing

11. FUNCTIONS OF WELL HEAD
•PROVIDE A MEANS OF CASING SUSPENSION.
PROVIDES A MEANS OF TUBING SUSPENSION.
•PROVIDES A MEANS OF PRESSURE SEALING
AND ISOLATION BETWEEN CASING AT
SURFACE WHEN MANY CASING STRINGS ARE
USED.
•PROVIDES A RELIABLE MEANS OF WELL
ACCESS.

12. RE USE
• IN OFF SHORE WELL HEAD IS LOCATED ON THE PRODUCTION PLAT
FORM IT IS CALLED AS SURFACE WELL HEAD
• WELL HEAD LOCATED BENEATH WATER IS REFERED TO AS A SUBSEA
WELL HEAD
TYPES OF WELL HEAD
•LAND
•SUBSEA

13. L
A
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L
L
H
E
A
D

14. SUB SEA
WELL
HEAD

15. THE END
A PRESENTATION BY
P.VIHAR
RAJAHMUNDRY,ANDHRA PRADESH
E.G.DT, INDIA
FOLLOW ME ON SOCIAL MEDIA
@VIHAR POTHUKUCHI
Christmas tree
Wellhead
Casing
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