Directinal Drilling Technology
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Transcript of Directinal Drilling Technology
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Introduction toIntroduction to
DirectionalDirectional
DrillingDrillingKhalifah Al-AmriKhalifah Al-Amri
Senior Drilling & WorkoverSenior Drilling & WorkoverEngineerEngineer
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OutlineOutline
De nitionDe nitionWhat Are Directional Wells ?What Are Directional Wells ?
Directional Well TypesDirectional Well TypesWhy Drill Directionally?Why Drill Directionally?Planning A Directional Well PathPlanning A Directional Well Path
o! To Drill Directionally?o! To Drill Directionally?ori"ontal Drillingori"ontal Drilling#omple$ Wells#omple$ Wells
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DefnitionDefnition
Directional %rilling is the science ofDirectional %rilling is the science of
%eviating a !ell ore along a%eviating a !ell ore along aplanne% co'rse to a s' s'rfaceplanne% co'rse to a s' s'rfacetarget !hose location is a giventarget !hose location is a given
lateral %istance an% %irection fromlateral %istance an% %irection fromthe vertical(the vertical(
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What Are Directional What Are Directional Wells ? Wells ?
Directional !ells areDirectional !ells are%eviate% from vertical%eviate% from vertical)straight*)straight*
Directional !ells areDirectional !ells are%rille% !ith intentional%rille% !ith intentionalcontrol to hit a pre-control to hit a pre-%etermine% target+%etermine% target+
inclination )angle*inclination )angle*a"im'th )%irection*(a"im'th )%irection*(
Think ,-D !hen %irectionalThink ,-D !hen %irectional
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Vertical Type Slant (J) Type
“S” Type Horizontal Type
Directional Well TypesDirectional Well Types
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Inaccessible Locations
Salt Dome Drilling Fault Controlling
Sidetracking
Why Drill Directionally? Why Drill Directionally?
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Why Drill Directionally? Why Drill Directionally?
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Planning A DirectionalPlanning A Directional Well Path Well Path
Kick O PointKick O PointBuild Up ateBuild Up ate
A!i"uthal A!i"uthalDirectionDirectionInclination AngleInclination AngleTrue #ertical DepthTrue #ertical Depth$easured Depth$easured Depth%ori!ontal%ori!ontalDisplace"entDisplace"ent
TVD EOWMD
KOP
HD
Inc
0 N
Dir
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%o& To Drill%o& To DrillDirectionally?Directionally?
Sli%e & otate .o%eSli%e & otate .o%eDo!nhole .otorDo!nhole .otor/ent S'/ent S'
0i$e%0i$e% A%1'sta le A%1'sta le
S'rveying ToolS'rveying Tool
.e%ia of.e%ia ofTransmissionTransmission
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%ori!ontal Drilling%ori!ontal Drilling
Types o' %ori!ontalTypes o' %ori!ontal Wells( Wells(
)ong adius *+,-.,/01123)ong adius *+,-.,/01123$ediu" adius *.,-$ediu" adius *.,-41,/0112341,/011235hort adius *41,-5hort adius *41,-61,/0112361,/01123
Ultra 5hort adius *61,-Ultra 5hort adius *61,-+11,/01123+11,/01123
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%ori!ontal Drilling%ori!ontal Drilling
VerticalWells
HorizontalWells
WaterConing
Gas
Oil
Water
Gas Coning
Applications: Gas and Water Coning:
Longer horizontal drain hole increases theexposure o the pay!zone
Allo"s a higher production rate at lo"erdra"do"n pressure resulting in less coning
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Other $a7or Applications(Other $a7or Applications($a8i"u" reser9oir e8posure$a8i"u" reser9oir e8posure:aturally 'ractured tight reser9oirs:aturally 'ractured tight reser9oirsThin dry reser9oirsThin dry reser9oirs)ess &ells needed to de9elop a feld
%ori!ontal Drilling%ori!ontal Drilling
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;o"ple8 Wells;o"ple8 Wells
Stacke% 2ateralsStacke% 2aterals
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;o"ple8 Wells;o"ple8 Wells
0ish one Wells0ish one Wells
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;o"ple8 Wells;o"ple8 Wells
Stacke% 0ish oneStacke% 0ish oneWellsWells
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;o"ple8 Wells;o"ple8 Wells
.'ltiple-/ranch.'ltiple-/ranch
.'ltilateral Wells.'ltilateral Wells