Top Banner

of 28

PETE 411 Directional Drilling

Jul 06, 2018

Download

Documents

Yt Yt
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
  • 8/17/2019 PETE 411 Directional Drilling

    1/28

    Slide 133. Directional Drilling PETE 411 - Well Drilling

    PETE 411Well Drilling

    Lesson 33

    Directional Drilling

  • 8/17/2019 PETE 411 Directional Drilling

    2/28

    Slide 233. Directional Drilling PETE 411 - Well Drilling

    Directional Drilling

    When is it used?

    Type I Wells Type II Wells

    Type III Wells

    Directional Well Planning & Design

    Survey Calculation Methods

    Buildand Hold

    Build-Holdand Drop

    ContinuousBuild

    KOP

    EOC

    I II III

  • 8/17/2019 PETE 411 Directional Drilling

    3/28

    Slide 333. Directional Drilling PETE 411 - Well Drilling

    Read ADE Ch.8 (Reference)

    HW #15 due 11-12-01 HW #16 due 11-16-01

  • 8/17/2019 PETE 411 Directional Drilling

    4/28

    Slide 433. Directional Drilling PETE 411 - Well Drilling

    Inclination Angle

    θ, α , I

    Direction Angleφ, ε, A

  • 8/17/2019 PETE 411 Directional Drilling

    5/28

    Slide 533. Directional Drilling PETE 411 - Well Drilling

  • 8/17/2019 PETE 411 Directional Drilling

    6/28

    Slide 633. Directional Drilling PETE 411 - Well Drilling

    Max.Horiz.

    Depart.

  • 8/17/2019 PETE 411 Directional Drilling

    7/28

    Slide 733. Directional Drilling PETE 411 - Well Drilling

  • 8/17/2019 PETE 411 Directional Drilling

    8/28

    Slide 833. Directional Drilling PETE 411 - Well Drilling

  • 8/17/2019 PETE 411 Directional Drilling

    9/28

    Slide 933. Directional Drilling PETE 411 - Well Drilling

  • 8/17/2019 PETE 411 Directional Drilling

    10/28

    Slide 1033. Directional Drilling PETE 411 - Well Drilling

  • 8/17/2019 PETE 411 Directional Drilling

    11/28

    Slide 1133. Directional Drilling PETE 411 - Well Drilling

  • 8/17/2019 PETE 411 Directional Drilling

    12/28

    Slide 1233. Directional Drilling PETE 411 - Well Drilling

    !"pe I !"pe II !"pe III

    Buildand Hold

    Build-Holdand Drop

    ContinuousBuild

    KOP

    EOC

  • 8/17/2019 PETE 411 Directional Drilling

    13/28

    Slide 1333. Directional Drilling PETE 411 - Well Drilling

    ∆x

    I

    I

    r

    r ∆L

    In t#e B$I%D

    &ection

    ∆x ! r "1 - cos I

    ∆ ! r sin I

    ∆L ! r Ιrad

    degIr

    180 !

    π∆

    "#$%

    000&18r

    π=

  • 8/17/2019 PETE 411 Directional Drilling

    14/28

    Slide 1433. Directional Drilling PETE 411 - Well Drilling

  • 8/17/2019 PETE 411 Directional Drilling

    15/28

    Slide 1533. Directional Drilling PETE 411 - Well Drilling

    $ig. %.11

    42131 xr r andxr

  • 8/17/2019 PETE 411 Directional Drilling

    16/28

    Slide 1633. Directional Drilling PETE 411 - Well Drilling42131 xr r andxr >+<

  • 8/17/2019 PETE 411 Directional Drilling

    17/28

    Slide 1733. Directional Drilling PETE 411 - Well Drilling

    '()E

    '**+& +

    & E

    '(i)uth 'ngle

  • 8/17/2019 PETE 411 Directional Drilling

    18/28

    Slide 1833. Directional Drilling PETE 411 - Well Drilling

  • 8/17/2019 PETE 411 Directional Drilling

    19/28

    Slide 1933. Directional Drilling PETE 411 - Well Drilling

    Exa&'le 1( Design o) Directional Well

    Design a directional *ell *ith the +ollo*ingrestrictions,

    - Total hori(ontal departure . /00 +t

    - True vertical depth T D2 13 /00 +t

    - Depth to 4ic4o++ point 56P2 3 /00 +t

    - $ate o+ 7uild o+ hole angle 18/ deg9100 +t- Type I *ell 7uild and hold2

  • 8/17/2019 PETE 411 Directional Drilling

    20/28

    Slide 2033. Directional Drilling PETE 411 - Well Drilling

    Exa&'le 1( Design o) Directional Well

    (i) Determine the maximum hole angle required.

    (ii) What is the t ta! measured depth ("D)#

    ("D $ %e!! de&th measureda! n' the %e!! ren t the *ertica! de&th )

  • 8/17/2019 PETE 411 Directional Drilling

    21/28

    Slide 2133. Directional Drilling PETE 411 - Well Drilling

    "i *axi&+&Inclination

    ,ngle

    r 1 =18 00015

    ,. π

    r 2 =0( )D 4 1

    12 500 2 500

    10 000

    = −

    =

    D

    ft

    , ,

    ,

  • 8/17/2019 PETE 411 Directional Drilling

    22/28

    Slide 2233. Directional Drilling PETE 411 - Well Drilling

    "i *axi&+& Inclination ,ngle

    −+−=

    −++−−+−−= −

    500,4)820,3(2

    500,4)820,3(2000,10500,4000,10 tan2

    x)r r (2

    x)r r (2)DD(xDDtan2

    221-

    421

    4212

    1424141

    maxθ

    3.26max =θ

  • 8/17/2019 PETE 411 Directional Drilling

    23/28

    Slide 2333. Directional Drilling PETE 411 - Well Drilling

    "ii *eas+red De't o) Well

    ft265,9L

    105,4sinL

    ft4,105

    395500,4xft395

    )26.3!s-3,820(1

    )!s1(r x

    "!ld

    "!ld

    "!ld

    1#$ild

    =∴=∴

    =−=∴

    ==

    −=

    θ

    θ

  • 8/17/2019 PETE 411 Directional Drilling

    24/28

    Slide 2433. Directional Drilling PETE 411 - Well Drilling

    "ii *eas+red De't o) Well

    265,9180

    26.33,8202,500

    Lr D%D "!ldrad11

    +

    +=

    ++=

    π

    θ

    ft518,13%D =

  • 8/17/2019 PETE 411 Directional Drilling

    25/28

    Slide 2533. Directional Drilling PETE 411 - Well Drilling

    % The actual *ell path hardly ever coincides *iththe planned tra:ectory

    % I)portant, ;it target *ithin speci+ied radius

  • 8/17/2019 PETE 411 Directional Drilling

    26/28

    Slide 2633. Directional Drilling PETE 411 - Well Drilling

    +#at is /no0nI ( , I , A ( , A ,

    ∆% 1 ∆MD (-

    Calculateβ 1 dogleg angle

    D%& 1 β 100/∆ %

  • 8/17/2019 PETE 411 Directional Drilling

    27/28

    Slide 2733. Directional Drilling PETE 411 - Well Drilling

  • 8/17/2019 PETE 411 Directional Drilling

    28/28

    33 Directional Drilling PETE 411 Well Drilling

    2 3