Oklahoma Code § 52-87.9

Title 52. Oil And Gas: Horizontal well unitization for targeted reservoirs
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A.  Horizontal Well Unitization for Targeted Reservoirs.
Under limited circumstances and conditions contained in this
section, the Corporation Commission is authorized to unitize a

targeted reservoir for the drilling of horizontal wells to the end
that a greater ultimate recovery of oil and gas may be had
therefrom, waste is prevented, and the correlative rights of the
owners are protected.  Unless and until a unit created pursuant to
this section is effective, nothing in this section shall prohibit
the drilling of a horizontal well within a drilling and spacing unit
created pursuant to Section 87.1 of this title.
B.  Prerequisites for Unitization.
Upon the filing of an appropriate application, and after notice
and hearing, the Commission shall determine if:
1.  The proposed unitization of the targeted reservoir is
reasonably calculated to increase the ultimate recovery of oil and
gas from the targeted reservoir through the use of horizontal well
technology to drill one or more horizontal wells in the unit;
2.  The use of horizontal well technology to drill the
horizontal well or wells in the targeted reservoir is feasible, will
prevent waste, will protect correlative rights and will with
reasonable probability result in the increased recovery of
substantially more oil and gas from the targeted reservoir within
the unit than would otherwise be recovered;
3.  The estimated additional cost, if any, of conducting the
horizontal well operations is not anticipated to exceed the value of
the additional oil and gas to be recovered; and
4.  The unitization and the use of horizontal well technology to
drill one or more horizontal wells is for the common good and will
result in the general advantage of the owners of the oil and gas
rights within the unit.
Upon making these findings, the Commission may enter an order
creating the unit and providing for the unitized operation of the
targeted reservoir described in the order, all upon terms and
conditions as may be shown by the evidence to be fair, reasonable,
equitable and which are necessary or proper to protect and safeguard
the respective rights and obligations of the several persons
affected, including royalty owners, owners of overriding royalties
and others, as well as the lessees.  The application shall set forth
a description of the proposed unit with a map or plat thereof
attached, shall allege the existence of the facts required to be
found by the Commission as provided in this subsection and shall
have attached thereto a recommended plan of development which is
applicable to the proposed unit and which is fair, reasonable and
equitable.
C.  Size of the Unit.
Each unit shall be two governmental sections.  However, the
Commission may expand the size of the unit by including additional
governmental sections up to a maximum unit size of four governmental
sections, if for good cause shown the Commission finds the expansion
of the unit size beyond two governmental sections is necessary to

prevent waste, to protect correlative rights and will result in the
increased recovery of substantially more oil and gas from the
targeted reservoir than would otherwise be recovered based upon, but
not necessarily limited to:
1.  Geological features existing within the proposed unit;
2.  The proposed location or orientation of the horizontal
wells;
3.  The length of the laterals of the proposed horizontal wells;
4.  The proposed use of multilateral wells; or
5.  Any combination thereof.
D.  Ownership of Oil and Gas Rights within the Unit.
Where there are, or may thereafter be, two or more separately
owned tracts within the unit, each owner of oil and gas rights
within the unit shall own an interest in the unit of the same
character as the ownership of the owner in the separately owned
tract.  From and after the effective date of the order of the
Commission creating the unit and subject to the provisions of any
pooling order covering the unit, the interest of each owner in the
unit shall be defined as the percentage of interest owned in each
separate tract by the owner, multiplied by the proportion that the
acreage in each separately owned tract bears to the entire acreage
of the unit.  The costs incurred in connection with and the
production and proceeds from the wells in the unit shall be
allocated to each separate tract in the unit and shall be borne or
shared by the owners in each separate tract based upon and
determined by the interest of each owner in the tract.  However, if
a well or wells already exist within the area of the proposed unit
which are producing or have produced or appear to be productive from
the targeted reservoir being unitized, the Commission may adjust the
sharing of future costs incurred in connection with and future
production and proceeds from any existing well or any subsequent
well in the proposed unit in any manner deemed necessary by the
Commission in order to protect the correlative rights of the owners
within any existing well or any subsequent well or within the unit,
including providing for the sharing of future costs incurred in
connection with and future production and proceeds from any existing
well or any subsequent well in a manner different from any other
well in the unit so long as the various methods of sharing future
costs, production and proceeds from the existing and subsequent
wells in the unit prevents waste and protects the correlative rights
of all the affected owners.  For the purpose of this section, any
owner or owners of oil and gas rights in and under an unleased tract
of land within the unit, unless the owner has relinquished the
drilling rights or working interest of the owner in the applicable
targeted reservoir in the tract of land under a pooling order
entered by the Commission which order remains in effect, shall be
regarded as a lessee to the extent of a seven-eighths (7/8) interest

in and to the rights and a lessor to the extent of the remaining
one-eighth (1/8) interest therein.
E.  The Plan of Development.
The application shall include a proposed plan of development.
Based upon the facts and conditions found to exist with respect to a
proposed unit, the Commission shall determine the necessary terms,
provisions, conditions and requirements to be included in the plan
of development for the unit.  If a well or wells already exist
within the area of the proposed unit which are producing or have
produced or appear to be productive from the targeted reservoir
being unitized, the plan of development shall also include:
1.  Any adjustments to the sharing of future costs incurred in
connection with future development and production, and the sharing
of proceeds, from any existing well or any subsequent well which the
Commission determines to be necessary in order to be fair,
reasonable and equitable, and to protect the correlative rights of
the owners, considering the existing development in and the prior
and anticipated future production from the targeted reservoir within
the unit; and
2.  The procedure and basis upon which existing wells, equipment
and other properties of the several lessees within the unit area are
to be taken over and used for the unit operations, including the
method of arriving at the compensation therefor, or of otherwise
proportionately equalizing or adjusting the investment of the
several lessees in the project as of the effective date of unit
operation.
F.  Order of the Commission.
The order of the Commission creating the unit shall:
1.  Designate the size and shape of the unit;
2.  Set forth the drilling pattern and setbacks for the unit,
including the permitted well location tolerances for the permitted
wells within the unit;
3.  Approve and adopt the plan of development for the unit, with
a copy thereof attached to the order and include any necessary
special allocation factors for allocating the costs, production and
proceeds from the proposed unit resulting from existing wells or
subsequent wells, or both;
4.  Designate the unit operator; and
5.  Provide for the conditions upon which the unit, and the
order creating the unit, shall terminate.
G.  Consent by Owners.
No order of the Commission creating a unit pursuant to this
section shall become effective unless and until the proposed
unitization has been consented to in writing, and the written
consent submitted to the Commission, by lessees of record of not
less than sixty-three percent (63%) of the working interest in the
targeted reservoir in each spacing unit in the area to be included

in the unit and by owners of record of not less than sixty-three
percent (63%), exclusive of any royalty interest owned by any lessee
or by any subsidiary of any lessee, of the one-eighth (1/8) royalty
interest in the targeted reservoir in each spacing unit in the area
to be included in the unit in an express writing separate from the
oil and gas lease.  The Commission shall make a finding in the order
creating the unit as to whether the requisite consent has been
obtained.  Where the requisite consent has not been obtained at the
time the order creating the unit is entered, the Commission shall,
upon application and notice, hold any additional and supplemental
hearings as may be requested or required to determine if and when
the requisite consent has been obtained and the date the unitization
will become effective.  In the event lessees and royalty owners, or
either, owning the required percentage interest in and to the unit
area have not so consented to the unitization within a period of six
(6) months from and after the date on which the order creating the
unit is entered, the order creating the unit shall cease to be of
further force and effect and shall be revoked by the Commission.
H.  Notice.
The application for the creation of a horizontal well
unitization under this section, and the notice of hearing on the
application, shall be served no less than fifteen (15) days prior to
the date of the hearing, by regular mail, upon each person or
governmental entity having the right to share in production from the
proposed unit covered by the application, as well as other persons
or governmental entities required by Commission rules.  Any person
aggrieved by any order of the Commission made pursuant to this
section may appeal therefrom to the Supreme Court of the State of
Oklahoma upon the same conditions, within the same time and in the
same manner as is provided for in this title, for the taking of
appeals from the orders of the Commission made thereunder.
I.  Pooling of the Unit.
From and after the effective date of an order creating a unit
pursuant to this section and subject to the provisions of the order
in regard to the matters to be found by the Commission in the
creation of the unit and the provisions of the applicable plan of
development, an owner of the right to drill for and produce oil or
gas from the unit may request the Commission to pool the oil and gas
interests of the owners in the unit on a unitwide basis pursuant to
the provisions of subsection (e) of Section 87.1 of this title in
regard to the development of the unit.
J.  Effect on Existing Spacing Units and Pooling Orders.
From and after the effective date of an order creating a unit
pursuant to this section, the operation of any well producing from
the targeted reservoir within the unit defined in the order by
persons other than the unit operator, or except in the manner and to
the extent provided in the order creating the unit shall be unlawful

and is hereby prohibited.  Once the order of the Commission creating
a unit pursuant to this section becomes effective, the unit so
created shall supersede any drilling and spacing unit previously
formed by the Commission pursuant to Section 87.1 of this title for
the same targeted reservoir within the area of the new unit.  Any
pooling order which was entered by the Commission pursuant to
subsection (e) of Section 87.1 of this title covering any drilling
and spacing unit superseded by a unit created pursuant to this
section and which was in effect at the time of the creation of the
unit shall remain in full force and effect as to any oil and gas
interests in the targeted reservoir which were relinquished and
transferred by operation of law under the pooling order.  However,
further development of the targeted reservoir in the area of the
unit created pursuant to this section shall not be subject to any of
the other provisions of any prior pooling order, but shall be
governed by and pursuant to the order creating the unit, including
the applicable plan of development, and any subsequent pooling order
covering the unit.
K.  Payment of Proceeds.
Units created pursuant to this section shall be subject to the
terms and provision of the PRSA.
L.  The Commissioners of the Land Office.
The Commissioners of the Land Office, or other proper board or
officer of the state having the control and management of state
land, and the proper board or officer of any political, municipal,
or other subdivision or agency of the state, are hereby authorized
and shall have the power on behalf of the state or of any political,
municipal, or other subdivision or agency thereof, with respect to
land or oil and gas rights subject to the control and management of
the respective body, board, or officer, to consent to or participate
in any unitization created pursuant to the Extended Horizontal Well
Development Act.
M.  Retained Jurisdiction.
Upon the creation of a unit pursuant to this section, and
approval of the plan of development in connection therewith, the
Commission shall retain jurisdiction over the unit and the plan of
development.  The retained jurisdiction of the Commission set forth
herein shall neither preclude nor impair the right of any affected
party to obtain through the district courts of this state any remedy
or relief available at law or in equity for injuries caused by any
action or inaction of the applicant, operator or any other affected
party.

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