UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549


                                 SCHEDULE 13D/A
                                Amendment No. 1


                   Under the Securities Exchange Act of 1934


                                 T-REX OIL, INC.
                            fka RANCHER ENERGY CORP.
             ------------------------------------------------------
                                (Name of Issuer)

                        Common Stock, $0.0001 per share
             ------------------------------------------------------
                         (Title of Class of Securities)

                                   75188R106
              ------------------------------------------------------
                                (CUSIP Number)

                               TEREX ENERGY CORP.
                                 DONALD WALFORD
                                 MARTIN GOTTLOB
                                   ALLEN HEIM
                              520 Zang St., Ste 250
                              Broomfield, CO 80021
                                 (720) 502-4483
             ------------------------------------------------------
                 (Name, Address and Telephone Number of Person
               Authorized to Receive Notices and Communications)

                                DECEMBER 22, 2014
                 ---------------------------------------------
            (Date of Event which Requires Filing of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
schedule because of ss.ss.240.13d-1(e),  240.13d-1(f) or 240.13d-1(g), check the
following box. /_/

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).


CUSIP No. 75188R106

1.   NAMES OF REPORTING PERSONS:

     Terex Energy Corp., a Colorado Corporation

     Mr. Walford is CEO of Terex Energy Corp. and President, CEO and Director of
     T-Rex Oil, Inc.

     Mr.  Gottlob  is Vice  President  of Geology of Terex  Energy  Corp.  and a
     Director of T-Rex Oil, Inc.

     Mr. Heim is Vice President of Operations of Terex Energy Corp.

2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):(a) /x/
                                                                         (b) /_/
3.   SEC USE ONLY:

4.   SOURCE OF FUNDS (SEE INSTRUCTIONS): N/A

5.   CHECK IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d)
     OR 2(e): /_/

6.   CITIZENSHIP OR PLACE OF ORGANIZATION:

     Terex Energy Corp. - Colorado  Corporation;  Messrs.  Walford,  Gottlob and
     Heim - United States

                             7.  SOLE VOTING POWER:

                                 0
      NUMBER OF SHARES
      BENEFICIALLY OWNED     8.  SHARED VOTING POWER:
      BY EACH REPORTING
      PERSON WITH                0

                             9.  SOLE DISPOSITIVE POWER:

                                 0

                             10. SHARED DISPOSITIVE POWER:

                                 0

11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:

     0 shares

     NOTE:  On December 22, 2014 T-Rex Oil,  Inc.  acquired 100% of the stock of
     Terex Energy Corp.  after  agreeing to exchange  7,385,700  shares with the
     Terex Energy  Corp.  shareholders.  Prior to the exchange of shares,  Terex
     Energy Corp.  owned  371,003  post-reverse  split shares of common stock of
     T-Rex Oil,  Inc.  These  shares  were  surrendered  and  deemed  retired to
     treasury of T-Rex Oil, Inc. Donald  Walford,  Martin Gottlob and Allen Heim
     (as  directors  of Terex  Energy  Corp.) were deemed  beneficial  owners by
     virtue of their  director and  management  positions in Terex Energy Corp.,
     and Messrs.  Walford and Gottlob were deemed beneficial owners as directors
     of Issuer.

12.  CHECK IF THE  AGGREGATE  AMOUNT IN ROW (11)  EXCLUDES  CERTAIN  SHARES (SEE
     INSTRUCTIONS): /_/

13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11):

     0% Common Stock

14.  TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):

     CO - Terex Energy Corp;  IN - Donald  Walford;  IN - Martin  Gottlob;  IN -
     Allen Heim

                                      -1-


ITEM 1. SECURITY AND ISSUER
---------------------------

The  security  for which  this  report is made is the  common  stock,  par value
$0.0001 per share,  of T-Rex Oil,  Inc.  fka Rancher  Energy  Corp.,  a Colorado
corporation (the "Issuer").

This  statement  amends the  Schedule  13D dated  August 21, 2014 filed by Terex
Energy Corp., Donald Walford, Martin Gottlob and Allen Heim. The purpose of this
Amendment is to reflect that the group's beneficial ownership is less than 5% as
a result of the transaction described in Item 4 below.


ITEM 2. IDENTITY AND BACKGROUND.
--------------------------------

(a)  NAME:   This   statement  is  filed  by  Terex  Energy  Corp.,  a  Colorado
     Corporation,  Donald Walford,  Martin Gottlob and Allen Heim, as management
     and  Directors  thereof.  Messrs.  Walford and Gottlob are directors of the
     Issuer.

(b)  BUSINESS ADDRESS OF TEREX ENERGY CORP., DON WALFORD,  MARTIN GOTTLOB, ALLEN
     HEIM - 520 Zang St., Ste 250, Broomfield, CO 80021

(c)  EMPLOYMENT INFORMATION: Terex Energy Corp. is a business that is an oil and
     gas investor.  Mr. Walford is CEO of Terex Energy Corp. and President,  CEO
     and Director of T-Rex Oil, Inc. Mr. Gottlob is Vice President of Geology of
     Terex  Energy  Corp.  and a Director  of T-Rex Oil,  Inc.  Mr. Heim is Vice
     President of Operations of Terex Energy Corp.

(d)  During  the last  five  (5)  years,  the  Reporting  Persons  have not been
     convicted in a criminal proceeding (excluding traffic violations or similar
     misdemeanors).

(e)  During the last five (5) years, the Reporting Persons have not been a party
     to a civil  proceeding  of a judicial or  administrative  body of competent
     jurisdiction as a result of which they are subject to a judgment, decree or
     final order  enjoining  final  violations  of, or  prohibiting or mandating
     activities  subject  to  federal or state  securities  laws or finding  any
     violation with respect to such laws.

(f)  Terex Energy Corp. is a corporation formed in Colorado. Donald Walford is a
     natural person in Colorado. Martin Gottlob is a natural person in Colorado.
     Allen Heim is a natural person in Kansas.


ITEM 3. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION
---------------------------------------------------------

On December 22, 2014 T-Rex Oil, Inc.  acquired 100% of the stock of Terex Energy
Corp.  after agreeing to exchange  7,385,700  shares with the Terex Energy Corp.
shareholders.  Prior to the exchange of shares, Terex Energy Corp. owned 371,003
post-reverse  split shares of common stock of T-Rex Oil, Inc.  These shares were
surrendered and deemed retired to treasury of T-Rex Oil, Inc.


ITEM 4. PURPOSE OF TRANSACTION
------------------------------

On December 22, 2014 T-Rex Oil, Inc.  acquired 100% of the stock of Terex Energy
Corp.  after agreeing to exchange  7,385,700  shares with the Terex Energy Corp.
shareholders.  The shares were  exchanged  on a one for one basis.  Prior to the
exchange of shares,  Terex Energy Corp. owned 371,003  post-reverse split shares
of common  stock of T-Rex Oil,  Inc.  These shares were  surrendered  and deemed
retired to treasury of T-Rex Oil,  Inc.  Don Walford,  Martin  Gottlob and Allen
Heim (as  directors  of Terex  Energy  Corp.) were deemed  beneficial  owners by
virtue of their  director and  management  positions in Terex Energy Corp.,  and
Messrs.  Walford  and Gottlob  were deemed  beneficial  owners as  directors  of
Issuer.

                                      -2-


The Reporting Persons have plans which relate to, or could result in the matters
referred to in paragraphs (a) through (j),  inclusive,  of the  instructions  to
Item 4 of Schedule 13D as follows:  a)  acquisitions  of prospects  continue for
Issuer,  based on the business  judgment of the continuing board of directors b)
the reporting  persons intend to formulate a plan to recapitalize the Issuer for
at least  $10,000,000,  (although there can be no assurance that the Issuer will
successfully achieve that, or any, additional debt or equity  capitalization) c)
further,  the Reporting persons may seek shareholder  approval and authorization
for preferred  stock;  d)  consolidation  of common stock and  authorization  of
preferred stock will require  amendments to the Articles of  Incorporation.  The
Reporting  Persons may, at any time and from time to time,  review or reconsider
their position  and/or change their purpose and/or  formulate plans or proposals
with respect thereto.


ITEM 5. INTEREST IN SECURITIES OF THE ISSUER
--------------------------------------------

(a)  Aggregate  number and  percentage of the class of  securities  beneficially
     owned:

     0 common  shares after  acquisition  and business  continuation  of 100% of
     Terex Energy Corp.

(b)  Number of shares as to which  there is sole  power to vote or to direct the
     vote,  shared power to vote or to direct the vote, sole power to dispose or
     to direct  the  disposition,  or shared  power to  dispose or to direct the
     disposition:

     0 common  shares after  acquisition  and business  continuation  of 100% of
     Terex Energy Corp.

(c)  Transactions in the securities effected during the past sixty days:

     See Item 4 above which is incorporated by reference herein.

(d)  No other person has the right to receive or the power to direct the receipt
     of dividends from, or the proceeds from the sale of, such securities.

(e)  The date on which the reporting  person ceased to be the beneficiary  owner
     of more than five percent of the class of securities:

     December 22, 2014


ITEM 6. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO
SECURITIES OF THE ISSUER.
--------------------------------------------------------------------------------

See  Item  4  above  which  is  incorporated  by  reference  herein.


ITEM 7. MATERIAL TO BE FILED AS EXHIBITS.
-----------------------------------------

Exhibit 99.1 - Statement of Terex Energy Corp. and Messrs. Walford,  Gottlob and
Heim as to the joint filing of Schedule 13D/A dated January 22, 2015.


                                      -3-




                                   SIGNATURES

After  reasonable  inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.


Date: January 22, 2015


        Terex Energy Corp.

        By:/s/ Donald Walford
        ---------------------------------
           Donald Walford, CEO



        /s/ Donald Walford
        ---------------------------------
        Donald Walford, Individual



        /s/ Martin Gottlob
        ---------------------------------
        Martin Gottlob, Individual



        /s/ Allen Heim
        ---------------------------------
        Allen Heim, Individual












                                      -4-