# EDGAR Filing Document

**Accession Number:** 0001693256
**File Stem:** 0001085550-23-000002
**Filing Date:** 2023-3
**Character Count:** 15503
**Document Hash:** 2d2e92c6ddb09d3111ed2b4641e92608
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001085550-23-000002.hdr.sgml**: 20230307

**ACCESSION NUMBER**: 0001085550-23-000002

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20230303

**FILED AS OF DATE**: 20230307

**DATE AS OF CHANGE**: 20230307

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SCF Partners, Inc.
- **CENTRAL INDEX KEY:** 0001085550
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38066
- **FILM NUMBER:** 23712905

**BUSINESS ADDRESS:**
- **STREET 1:** 600 TRAVIS
- **STREET 2:** STE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** 7132277888

**MAIL ADDRESS:**
- **STREET 1:** 600 TRAVIS STE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002

**FORMER NAME:**
- **FORMER CONFORMED NAME:** SIMMONS L E & ASSOCIATES INC
- **DATE OF NAME CHANGE:** 19990430
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SCF VI LP
- **CENTRAL INDEX KEY:** 0001334122

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38066
- **FILM NUMBER:** 23712904

**BUSINESS ADDRESS:**
- **STREET 1:** 600 TRAVIS STE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002

**MAIL ADDRESS:**
- **STREET 1:** 600 TRAVIS STE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SCF-VI, G.P., Limited Partnership
- **CENTRAL INDEX KEY:** 0001380957
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38066
- **FILM NUMBER:** 23712903

**BUSINESS ADDRESS:**
- **STREET 1:** 600 TRAVIS STREET
- **STREET 2:** SUITE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** 713.227.7888

**MAIL ADDRESS:**
- **STREET 1:** 600 TRAVIS STREET
- **STREET 2:** SUITE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SCF-VII(A), G.P., Limited Partnership
- **CENTRAL INDEX KEY:** 0001721708
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38066
- **FILM NUMBER:** 23712899

**BUSINESS ADDRESS:**
- **STREET 1:** 600 TRAVIS, SUITE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** 7132277888

**MAIL ADDRESS:**
- **STREET 1:** 600 TRAVIS, SUITE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SCF-VII, L.P.
- **CENTRAL INDEX KEY:** 0001546824
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38066
- **FILM NUMBER:** 23712902

**BUSINESS ADDRESS:**
- **STREET 1:** 600 TRAVIS
- **STREET 2:** SUITE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** (713) 227-7888

**MAIL ADDRESS:**
- **STREET 1:** 600 TRAVIS
- **STREET 2:** SUITE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SCF-VII(A), L.P.
- **CENTRAL INDEX KEY:** 0001672213
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38066
- **FILM NUMBER:** 23712900

**BUSINESS ADDRESS:**
- **STREET 1:** 600 TRAVIS ST., STE. 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** (713) 227-7888

**MAIL ADDRESS:**
- **STREET 1:** 600 TRAVIS ST., STE. 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** SCF-VII, G.P., Limited Partnership
- **CENTRAL INDEX KEY:** 0001546823
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38066
- **FILM NUMBER:** 23712901

**BUSINESS ADDRESS:**
- **STREET 1:** 600 TRAVIS
- **STREET 2:** SUITE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
- **BUSINESS PHONE:** (713) 227-7888

**MAIL ADDRESS:**
- **STREET 1:** 600 TRAVIS
- **STREET 2:** SUITE 6600
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77002
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Select Energy Services, Inc.
- **CENTRAL INDEX KEY:** 0001693256
- **STANDARD INDUSTRIAL CLASSIFICATION:** OIL, GAS FIELD SERVICES, NBC [1389]
- **IRS NUMBER:** 814561945
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1233 W LOOP SOUTH, SUITE 1400
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77027
- **BUSINESS PHONE:** (713) 235-9500

**MAIL ADDRESS:**
- **STREET 1:** 1233 W LOOP SOUTH, SUITE 1400
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77027

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>SCF Partners, Inc.<br><sub>(Last) (First) (Middle)</sub><br>600 TRAVIS STREET<br>SUITE 6600<br><sub>(Street)</sub><br>HOUSTON, TX 77002<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-03 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [X] Other (specify below)<br>_Member of Group_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Select Energy Services, Inc. [ WTTR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>SCF VI LP<br><sub>(Last) (First) (Middle)</sub><br>600 TRAVIS, SUITE 6600<br><sub>(Street)</sub><br>HOUSTON, TX 77002<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-03 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Select Energy Services, Inc. [ WTTR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>SCF-VI, G.P., Limited Partnership<br><sub>(Last) (First) (Middle)</sub><br>600 TRAVIS, SUITE 6600<br><sub>(Street)</sub><br>HOUSTON, TX 77002<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-03 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Select Energy Services, Inc. [ WTTR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>SCF-VII, L.P.<br><sub>(Last) (First) (Middle)</sub><br>600 TRAVIS, SUITE 6600<br><sub>(Street)</sub><br>HOUSTON, TX 77002<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-03 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Select Energy Services, Inc. [ WTTR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>SCF-VII, G.P., Limited Partnership<br><sub>(Last) (First) (Middle)</sub><br>600 TRAVIS, SUITE 6600<br><sub>(Street)</sub><br>HOUSTON, TX 77002<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-03 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [X] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Select Energy Services, Inc. [ WTTR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>SCF-VII(A), L.P.<br><sub>(Last) (First) (Middle)</sub><br>600 TRAVIS STREET<br>SUITE 6600<br><sub>(Street)</sub><br>HOUSTON, TX 77002<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-03 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [X] Other (specify below)<br>_Member of Group_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Select Energy Services, Inc. [ WTTR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>SCF-VII(A), G.P., Limited Partnership<br><sub>(Last) (First) (Middle)</sub><br>600 TRAVIS STREET<br>SUITE 6600<br><sub>(Street)</sub><br>HOUSTON, TX 77002<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2023-03-03 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [X] 10% Owner<br>[ ] Officer (give title below) [X] Other (specify below)<br>_Member of Group_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>Select Energy Services, Inc. [ WTTR ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[ ] Form filed by One Reporting Person<br>[X] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Class A Common Stock | 2023-03-03 |  | J |  | 100000 | D | $7.8038 | 5613442 | I | SCF-VI, L.P.<sup>(1)</sup> |
| Class A Common Stock | 2023-03-06 |  | J |  | 8000 | D | $7.8149 | 5605442 | I | SCF-VI, L.P.<sup>(1)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 5154217 | I | SCF-VII, L.P.<sup>(1)</sup> |
| Class A Common Stock |  |  |  |  |  |  |  | 1043097 | I | SCF-VII(A), L.P.<sup>(1)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) SCF Partners, Inc. (formerly named LE Simmons & Associates Inc), a Delaware corporation (SCFP), manages each of SCFVI, GP, Limited Partnership (SCFVIGP), SCFVII, GP Limited Partnership (SCFVIIGP) and SCF-VII(A), GP Limited Partnership (SCFVIIAGP), each of which are Delaware limited partnerships. Additionally, SCFVIGP is the sole general partner of SCF-VI, SCFVIIGP is the sole general partner of SCF-VII, and SCF-VIIAGP is the sole general partner of SCF-VIIA. Collectively, SCFP, SCFVIGP, SCFVIIGP, SCFVIIAGP, SCF-VI, SCF-VII and SCF-VIIA are the reporting entities. Based on the reporting person's affiliation with the reporting entities, SCFP may be deemed to beneficially own all of the shares of common stock of the registrant beneficially owned or deemed to be beneficially owned by the reporting entities.

**Signature:** Anthony F. DeLuca/Officer of Reporting Person  
**Date:** 2023-03-07

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**