**Exhibit      10.10**

**FIRST      AMENDMENT TO **

**MORTGAGE,      DEED OF TRUST, ASSIGNMENT OF PRODUCTION, SECURITY **

**AGREEMENT,      FIXTURE FILING AND FINANCING STATEMENT**

**FROM**

**SONTERRA      RESOURCES, INC.,      a      Delaware corporation**

**TO**

**WALTER      H.      WALNE, III,      AS      TRUSTEE**

**FOR      THE BENEFIT OF**

**VIKING      ASSET MANAGEMENT, LLC**

**NOTICE      OF CONFIDENTIALITY RIGHTS: IF YOU ARE A NATURAL PERSON, YOU MAY REMOVE OR STRIKE      ANY OF THE FOLLOWING INFORMATION FROM THIS INSTRUMENT BEFORE IT IS FILED FOR      RECORD IN THE PUBLIC RECORDS: YOUR SOCIAL SECURITY NUMBER OR YOUR DRIVER’S      LICENSE NUMBER.**

**A      CARBON, PHOTOGRAPHIC, FACSIMILE OR OTHER REPRODUCTION OF THIS INSTRUMENT IS      SUFFICIENT AS A FINANCING STATEMENT.**

**PORTIONS      OF THE MORTGAGED PROPERTY ARE GOODS WHICH ARE OR ARE TO BECOME AFFIXED TO OR      FIXTURES ON THE LAND DESCRIBED IN OR REFERRED TO IN **
**EXHIBIT      A**
**      HERETO. THIS FINANCING STATEMENT IS TO BE FILED FOR RECORD OR RECORDED, AMONG      OTHER PLACES, IN THE REAL ESTATE RECORDS OR SIMILAR RECORDS OF EACH COUNTY      IN      WHICH SAID LAND OR ANY PORTION THEREOF IS LOCATED. THE MORTGAGOR IS THE OWNER      OF      RECORD INTEREST IN THE REAL ESTATE CONCERNED. THIS INSTRUMENT IS ALSO TO BE      INDEXED IN THE INDEX OF FINANCING STATEMENTS.**

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**FIRST      AMENDMENT TO **

**MORTGAGE,      DEED OF TRUST, ASSIGNMENT OF PRODUCTION, SECURITY **

**AGREEMENT,      FIXTURE FILING AND FINANCING STATEMENT**

**THIS      FIRST AMENDMENT**
**      TO MORTGAGE, DEED OF TRUST, ASSIGNMENT OF PRODUCTION, SECURITY AGREEMENT,      FIXTURE FILING**
**AND      FINANCING STATEMENT **
**Amendment**
**VIKING      ASSET MANAGEMENT, LLC**

**R      E C I T A L S**

**Mortgage**
**Land**

**NOW      THEREFORE**

**.**

**.**

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**.**

**(i)**
**(ii)**

**.**

**.**

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**IN      WITNESS WHEREOF**

|   | MORTGAGOR:                                                                                        |
|--------|---------------------------------------------------------------------------------------------------|
|   |                                                                                              |   |
|   | **SONTERRA                RESOURCES, INC.,**                a                Delaware corporation |
|   |                                                                                              |
|   |                                                                                              |
|   | By:                                                                                               | /s/                Michael J. Pawelek |
|   | Name:                                                                                             | Michael                J. Pawelek |
|   | Title:                                                                                            | President |

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|   | MORTGAGEE:                                                                                             |
|--------|--------------------------------------------------------------------------------------------------------|
|   |                                                                                                   |   |
|   | **VIKING                ASSET MANAGEMENT, LLC,** a California limited liability                company |
|   |                                                                                                   |
|   |                                                                                                   |   |
|   | By:                                                                                                    | S.                Michael Rudolph |
|   | Name:                                                                                                  | S.                Michael Rudolph |
|   | Title:                                                                                                 | Chief                Financial Officer |

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**Property      Description (Cinco)**

***Shark      Prospect***

|   | 1. | Oil                and Gas Lease dated July 1, 2003, from the State of Texas, as Lessor,                to                Cinco Natural Resources Corporation, as Lessee, covering Oil and                Gas Lease                No. M-103194, being the south one-half (S/2) of State Tract 150,                Matagorda                Bay, Calhoun County, Texas, containing approximately 320.0 acres,                recorded                in File No. 82095, Volume 349, Page 1 of the Official Records of                Calhoun                County, Texas. |
|--------|----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**Lease      Interest:**

*Surface      down to 9400' true vertical depth as seen in the Cockrell Corporation -      Aquamarine Unit Well No. 1 (API No. 42-057-31600).*

*Rights      between 9401' and 50' below the stratigraphic equivalent of the top of the      9800'      Sand, said top of the 9800' Sand being equal to 9790' TVD as seen on the      electric log for the Cockrell Corporation - Aquamarine Unit Well No. 1 (API      No.      42-057-31600).*

*Rights      below 50' below the stratigraphic equivalent of the top o the 9800' Sand, said      top of the 9800' Sand being equal to 9790' TVD as seen on the electric log      for      the Cockrell Corporation - Aquamarine Unit Well No. 1 (API No.      42-057-31600).*

**Well      Interest:**

***Ray      Prospect***

|   | 2. | Oil                and Gas Lease dated October 19, 2004, from the State of Texas, by                and                through the Commissioner of the General Land office of the State                of Texas,                as Lessor, to Cinco Natural Resources Corporation, as Lessee, covering                Oil                and Gas Lease Number M-104265, being the South One-Half (S/2) of                Tract                175, Matagorda Bay, Matagorda and Calhoun Counties, Texas, containing                approximately 320 acres as shown on the applicable Official Submerged                Area                Map on file in the Texas General Land Office, Austin, Texas, and                recorded                in the Official Records of Matagorda County, Texas, as File No. 050427,                and recorded in the Official Records of Calhoun County, Texas, as                File No.                91879, Volume 400, Page 525. |
|--------|----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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**Lease      Interest:**

|   | 3. | Oil                and Gas Lease dated October 19, 2004, from the State of Texas, by                and                through the Commissioner of the General Land office of the State                of Texas,                as Lessor, to Cinco Natural Resources Corporation, as Lessee, covering                Oil                and Gas Lease Number M-104266, being the South One-Half (S/2) of                Tract                178, Matagorda Bay, Matagorda County, Texas, containing approximately                320                acres as shown on the applicable Official Submerged Area Map on file                in                the Texas General Land Office, Austin, Texas, and recorded in the                Official                Records of Matagorda County, Texas, as File No.                050428. |
|--------|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**Lease      Interest:**

|   | 4. | Oil                and Gas Lease dated October 19, 2004, from the State of Texas, by                and                through the Commissioner of the General Land office of the State                of Texas,                as Lessor, to Cinco Natural Resources Corporation, as Lessee, covering                Oil                and Gas Lease Number M-104267, being the North One-Half (N/2) of                Tract                179, Matagorda Bay, Matagorda County, Texas, containing approximately                320                acres as shown on the applicable Official Submerged Area Map on file                in                the Texas General Land Office, Austin, Texas, and recorded in the                Official                Records of Matagorda County, Texas, as File No.                050429. |
|--------|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**Lease      Interest:**

***Starfish      Prospect***

|   | 5. | Oil                and Gas Lease dated April 5, 2005, from the State of Texas, by and                through                the Commissioner of the General Land office of the State of Texas,                as                Lessor, to Cinco Energy Corporation, as Lessee, covering Oil and                Gas Lease                Number M-104829, being the South One-Half (S/2) of Tract 96, Matagorda                Bay, Calhoun County, Texas, containing approximately 320 acres as                shown on                the applicable Official Submerged Area Map on file in the Texas General                Land Office, Austin, Texas, and recorded in the Official Records                of                Calhoun County, Texas, as File No. 92724, Volume 406, Page                35. |
|--------|----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**Lease      Interest:**

|   | 6. | Oil                and Gas Lease dated July 19, 2005, from the State of Texas, by and                through                the Commissioner of the General Land office of the State of Texas,                as                Lessor, to Cinco Resources, Inc., as Lessee, covering Oil and Gas                Lease                Number M-105371, being the North One-Half (N/2) of Tract 104, Matagorda                Bay, Calhoun County, Texas, containing approximately 320 acres as                shown on                the applicable Official Submerged Area Map on file in the Texas General                Land Office, Austin, Texas, and recorded in the Official Records                of                Calhoun County, Texas, as File No. 96377, Volume 426, Page                912. |
|--------|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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**Lease      Interest: **

***Barracuda      Prospect***

|   | 7. | Oil                and Gas Lease dated April 5, 2005, from the State of Texas, by and                through                the Commissioner of the General Land office of the State of Texas,                as                Lessor, to Cinco Energy Corporation, as Lessee, covering Oil and                Gas Lease                Number M-104827, being the North One-Half (N/2) of Tract 94, Matagorda                Bay, Calhoun County, Texas, containing approximately 320 acres as                shown on                the applicable Official Submerged Area Map on file in the Texas General                Land Office, Austin, Texas, and recorded in the Official Records                of                Calhoun County, Texas, as File No. 92722, Volume 406, Page                21. |
|--------|----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**Lease      Interest:**

|   | 8. | Oil                and Gas Lease dated April 5, 2005, from the State of Texas, by and                through                the Commissioner of the General Land office of the State of Texas,                as                Lessor, to Cinco Energy Corporation, as Lessee, covering Oil and                Gas Lease                Number M-104828, being the South One-Half (S/2) of Tract 94, Matagorda                Bay, Calhoun County, Texas, containing approximately 320 acres as                shown on                the applicable Official Submerged Area Map on file in the Texas General                Land Office, Austin, Texas, and recorded in the Official Records                of                Calhoun County, Texas, as File No. 92723, Volume 406, Page                28. |
|--------|----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**Lease      Interest:**

***Mackerel      Prospect***

|   | 9. | Oil                and Gas Lease dated July 19, 2005, from the State of Texas, by and                through                the Commissioner of the General Land office of the State of Texas,                as                Lessor, to Cinco Resources, Inc., as Lessee, covering Oil and Gas                Lease                Number M-105373, being the North One-Half (N/2) of Tract 175, Matagorda                Bay, Calhoun and Matagorda Counties, Texas, containing approximately                320                acres as shown on the applicable Official Submerged Area Map on file                in                the Texas General Land Office, Austin, Texas, and recorded in the                Official                Records of Calhoun County, Texas, as File No. 96378, Volume 426,                Page 919,                and recorded in the Official Records of Matagorda County, Texas,                as File                No. 063722. |
|--------|----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**Lease      Interest:**

|   | 10. | Oil                and Gas Lease dated October 4, 2005, from the State of Texas, by                and                through the Commissioner of the General Land office of the State                of Texas,                as Lessor, to Cinco Resources, Inc., as Lessee, covering Oil and                Gas Lease                Number M-105679, being the North One-Half (N/2) of Tract 178, Matagorda                Bay, Matagorda County, Texas, containing approximately 320 acres                as shown                on the applicable Official Submerged Area Map on file in the Texas                General                Land Office, Austin, Texas, and recorded in the Official Records                of                Matagorda County, Texas, as File No.                059741. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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**Lease      Interest:**

|   | 11. | Oil                and Gas Lease dated October 4, 2005, from the State of Texas, by                and                through the Commissioner of the General Land office of the State                of Texas,                as Lessor, to Cinco Resources, Inc., as Lessee, covering Oil and                Gas Lease                Number M-105678, being the South One-Half (S/2) of Tract 176, Matagorda                Bay, Calhoun and Matagorda Counties, Texas, containing approximately                320                acres as shown on the applicable Official Submerged Area Map on file                in                the Texas General Land Office, Austin, Texas, and recorded in the                Official                Records of Calhoun County, Texas, as File No. 96971, Volume 429,                Page 918,                and recorded in the Official Records of Matagorda County, Texas,                as File                No. 059740. |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**Lease      Interest:**

**Property      Description (Flash)**

*INSOFAR      AND ONLY INSOFAR*

*insofar      only*

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