NESR National Energy Services Reunited Corporation

Name of Reporting Person

SV3 Holdings Pte. Ltd.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a):  ☐        (b):  ☒

SEC Use Only

Source of Funds (See Instructions)

OO

Check if Disclosure of Legal Proceedings is Required Pursuant to Item 2(d) or 2(e)  ☐

Citizenship or Place of Organization

Singapore

NUMBER OF SHARES  BENEFICIALLY  OWNED BY EACH REPORTING PERSON

WITH

Sole Voting Power

0

Shared Voting Power

6,825,000(1)

Sole Dispositive Power

0

Shared Dispositive Power

6,825,000(1)

Aggregate Amount Beneficially Owned by Each Reporting Person

6,825,000

Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)  ☐

Percent of Class Represented by Amount in Row (11)

7.8%(2)

Type of Reporting Person (See Instructions)

OO

SV3 (as defined below) is owned by two private equity funds: SCF-VIII AIV, L.P. and Viburnum Funds Pty Ltd. SCF-VIII AIV, L.P. has a 66 2/3% ownership interest in SV3 and Viburnum Funds Pty Ltd. has a 33 1/3% ownership interest in SV3. Each of SCF-VIII AIV, L.P. and Viburnum Funds Pty Ltd. may be deemed to share voting and dispositive control over the Ordinary Shares held by SV3. Each of SCF-VIII AIV, L.P. and Viburnum Funds Pty Ltd. disclaim beneficial ownership of any Ordinary Shares held or beneficially owned by SV3, except to the extent of each of their pecuniary interests therein.

Based on 87,147,089 Ordinary Shares of the Issuer outstanding, as reported in Exhibit 99.1 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on November 20, 2019.

Name of Reporting Person

SCF-VIII AIV, L.P.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a):  ☐        (b):  ☒

SEC Use Only

Source of Funds (See Instructions)

OO

Check if Disclosure of Legal Proceedings is Required Pursuant to Item 2(d) or 2(e)  ☐

Citizenship or Place of Organization

Cayman Islands

NUMBER OF SHARES  BENEFICIALLY  OWNED BY EACH REPORTING PERSON

WITH

Sole Voting Power

0

Shared Voting Power

4,550,000(1)

Sole Dispositive Power

0

Shared Dispositive Power

4,550,000(1)

Aggregate Amount Beneficially Owned by Each Reporting Person

4,550,000

Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)  ☐

Percent of Class Represented by Amount in Row (11)

5.2%(2)

Type of Reporting Person (See Instructions)

PN

Power is exercised through Reporting Person’s general partner, SCF-VIII Offshore G.P. (as defined below), and its sole general partner, LESA Cayman (as defined below).

Based on 87,147,089 Ordinary Shares of the Issuer outstanding, as reported in Exhibit 99.1 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on November 20, 2019.

Name of Reporting Person

SCF-VIII Offshore G.P., Limited Partnership

Check the Appropriate Box if a Member of a Group (See Instructions)

(a):  ☐        (b):  ☒

SEC Use Only

Source of Funds (See Instructions)

OO

Check if Disclosure of Legal Proceedings is Required Pursuant to Item 2(d) or 2(e)  ☐

Citizenship or Place of Organization

Cayman Islands

NUMBER OF SHARES  BENEFICIALLY  OWNED BY EACH REPORTING PERSON

WITH

Sole Voting Power

0

Shared Voting Power

4,550,000(1)

Sole Dispositive Power

0

Shared Dispositive Power

4,550,000(1)

Aggregate Amount Beneficially Owned by Each Reporting Person

4,550,000

Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)  ☐

Percent of Class Represented by Amount in Row (11)

5.2%(2)

Type of Reporting Person (See Instructions)

PN

Reporting Person holds power over shares held by SCF-VIII AIV, L.P. Reporting Person’s power is exercised by its sole general partner, LESA Cayman.

Based on 87,147,089 Ordinary Shares of the Issuer outstanding, as reported in Exhibit 99.1 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on November 20, 2019.

Name of Reporting Person

LESA Cayman Holdco, Ltd.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a):  ☐        (b):  ☒

SEC Use Only

Source of Funds (See Instructions)

OO

Check if Disclosure of Legal Proceedings is Required Pursuant to Item 2(d) or 2(e)  ☐

Citizenship or Place of Organization

Cayman Islands

NUMBER OF SHARES  BENEFICIALLY  OWNED BY EACH REPORTING PERSON

WITH

Sole Voting Power

0

Shared Voting Power

4,550,000(1)

Sole Dispositive Power

0

Shared Dispositive Power

4,550,000(1)

Aggregate Amount Beneficially Owned by Each Reporting Person

4,550,000

Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)  ☐

Percent of Class Represented by Amount in Row (11)

5.2%(2)

Type of Reporting Person (See Instructions)

OO

Reporting Person holds power over shares held by SCF-VIII AIV, L.P. through its general partner, and holds power over shares held by SCF-VIII Offshore G.P.

Based on 87,147,089 Ordinary Shares of the Issuer outstanding, as reported in Exhibit 99.1 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on November 20, 2019.

Name of Reporting Person

SCF Partners, Inc.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a):  ☐        (b):  ☒

SEC Use Only

Source of Funds (See Instructions)

OO

Check if Disclosure of Legal Proceedings is Required Pursuant to Item 2(d) or 2(e)  ☐

Citizenship or Place of Organization

Delaware

NUMBER OF SHARES  BENEFICIALLY  OWNED BY EACH REPORTING PERSON

WITH

Sole Voting Power

0

Shared Voting Power

4,550,000(1)

Sole Dispositive Power

0

Shared Dispositive Power

4,550,000(1)

Aggregate Amount Beneficially Owned by Each Reporting Person

4,550,000

Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)  ☐

Percent of Class Represented by Amount in Row (11)

5.2%(2)

Type of Reporting Person (See Instructions)

CO

SCF Partners (as defined below) is the sole shareholder of LESA Cayman, and in that capacity may be deemed to beneficially own all of the Ordinary Shares deemed to be beneficially owned by LESA Cayman. LESA Cayman indirectly holds power over shares held by SCF-VIII AIV, L.P. through its general partner, and holds power over shares held by SCF-VIII Offshore G.P.

Based on 87,147,089 Ordinary Shares of the Issuer outstanding, as reported in Exhibit 99.1 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on November 20, 2019.

Name of Reporting Person

SCF-VIII, L.P.

Check the Appropriate Box if a Member of a Group (See Instructions)

(a):  ☐        (b):  ☒

SEC Use Only

Source of Funds (See Instructions)

OO

Check if Disclosure of Legal Proceedings is Required Pursuant to Item 2(d) or 2(e)  ☐

Citizenship or Place of Organization

Delaware

NUMBER OF SHARES  BENEFICIALLY  OWNED BY EACH REPORTING PERSON

WITH

Sole Voting Power

0

Shared Voting Power

3,060,507(1)

Sole Dispositive Power

0

Shared Dispositive Power

3,060,507(1)

Aggregate Amount Beneficially Owned by Each Reporting Person

3,060,507

Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)  ☐

Percent of Class Represented by Amount in Row (11)

3.5%(2)

Type of Reporting Person (See Instructions)

PN

Power is exercised through Reporting Person’s general partner, SCF-VIII, G.P. (as defined below), and its sole general partner, SCF GP (as defined below).

Based on 87,147,089 Ordinary Shares of the Issuer outstanding, as reported in Exhibit 99.1 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on November 20, 2019.

Name of Reporting Person

SCF-VIII, G.P., Limited Partnership

Check the Appropriate Box if a Member of a Group (See Instructions)

(a):  ☐        (b):  ☒

SEC Use Only

Source of Funds (See Instructions)

OO

Check if Disclosure of Legal Proceedings is Required Pursuant to Item 2(d) or 2(e)  ☐

Citizenship or Place of Organization

Delaware

NUMBER OF SHARES  BENEFICIALLY  OWNED BY EACH REPORTING PERSON

WITH

Sole Voting Power

0

Shared Voting Power

3,060,507(1)

Sole Dispositive Power

0

Shared Dispositive Power

3,060,507(1)

Aggregate Amount Beneficially Owned by Each Reporting Person

3,060,507

Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)  ☐

Percent of Class Represented by Amount in Row (11)

3.5%(2)

Type of Reporting Person (See Instructions)

PN

Reporting Person holds power over shares held by SCF-VIII, L.P. Reporting Person’s power is exercised by its sole general partner, SCF GP.

Based on 87,147,089 Ordinary Shares of the Issuer outstanding, as reported in Exhibit 99.1 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on November 20, 2019.

Name of Reporting Person

SCF GP LLC

Check the Appropriate Box if a Member of a Group (See Instructions)

(a):  ☐        (b):  ☒

SEC Use Only

Source of Funds (See Instructions)

OO

Check if Disclosure of Legal Proceedings is Required Pursuant to Item 2(d) or 2(e)  ☐

Citizenship or Place of Organization

Delaware

NUMBER OF SHARES  BENEFICIALLY  OWNED BY EACH REPORTING PERSON

WITH

Sole Voting Power

0

Shared Voting Power

3,060,507(1)

Sole Dispositive Power

0

Shared Dispositive Power

3,060,507(1)

Aggregate Amount Beneficially Owned by Each Reporting Person

3,060,507

Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See Instructions)  ☐

Percent of Class Represented by Amount in Row (11)

3.5%(2)

Type of Reporting Person (See Instructions)

OO

Reporting Person holds power over shares held by SCF-VIII, L.P. through its general partner, and holds power over shares held by SCF-VIII, G.P.

Based on 87,147,089 Ordinary Shares of the Issuer outstanding, as reported in Exhibit 99.1 to the Issuer’s Form 6-K filed with the Securities and Exchange Commission on November 20, 2019.

Security and Issuer.

Identity and Background

This Schedule 13D is filed jointly by each of the below persons (each individually, a “Reporting Person” and collectively, the “Reporting Persons”). The Reporting Persons have entered into a joint filing agreement, dated October 4, 2019.

SV3 Holdings Pte. Ltd., a Singapore private limited company (“SV3”);

SCF-VIII AIV, L.P., a Cayman Islands exempted limited partnership;

SCF-VIII Offshore G.P., Limited Partnership, a Cayman Islands exempted limited partnership (“SCF-VIII Offshore G.P.”);

LESA Cayman Holdco, Ltd., a Cayman Islands exempted company (“LESA Cayman”);

SCF Partners, Inc., a Delaware corporation (f/k/a L.E. Simmons & Associates, Incorporated) (“SCF Partners”);

SCF-VIII, L.P., a Delaware limited partnership (“SCF-VIII, L.P.”);

SCF-VIII, G.P., Limited Partnership, a Delaware limited partnership (“SCF-VIII, G.P.”); and

SCF GP LLC, a Delaware limited liability company (“SCF GP”).

None of the Reporting Persons nor their respective executive officers, managers or directors (the “Listed Persons”) listed on Schedule I hereto, has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors) or been party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Source and Amount of Funds or Other Consideration.

Interest in Securities of the Issuer.

The aggregate number and percentage of Ordinary Shares beneficially owned by each of the Reporting Persons is as follows:

SV3 is the direct beneficial owner of 6,825,000 Ordinary Shares, which constitutes 7.8% of the outstanding Ordinary Shares.

SCF-VIII AIV, L.P. is the indirect beneficial owner of 4,550,000 Ordinary Shares, which constitutes 5.2% of the outstanding Ordinary Shares.

As a result of its role as the sole general partner of SCF-VIII AIV, L.P., SCF-VIII Offshore G.P. is the indirect beneficial owner of 4,550,000 Ordinary Shares, which constitutes 5.2% of the outstanding Ordinary Shares.

As a result of its role as the sole general partner of SCF-VIII Offshore G.P., LESA Cayman may be deemed the indirect beneficial owner of the 4,550,000 Ordinary Shares directly owned by SV3, which constitutes 5.2% of the outstanding Ordinary Shares.

As a result of its role as the sole shareholder of LESA Cayman, SCF Partners may be deemed the indirect beneficial owner of the 4,550,000 Ordinary Shares directly owned by SV3, which constitutes 5.2% of the outstanding Ordinary Shares.

SCF-VIII, L.P. is the direct beneficial owner of 3,060,507 Ordinary Shares, which constitutes 3.5% of the outstanding Ordinary Shares.

As a result of its role as the sole general partner of SCF-VIII, L.P., SCF-VIII, G.P. is the indirect beneficial owner of 3,060,507 Ordinary Shares, which constitutes 3.5% of the outstanding Ordinary Shares.

As a result of its role as the sole general partner of SCF-VIII, G.P., SCF GP is the indirect beneficial owner of 3,060,507 Ordinary Shares, which constitutes 3.5% of the outstanding Ordinary Shares.

The power to vote and dispose of the Ordinary Shares beneficially owned by each of the Reporting Persons is as follows:

SV3 has shared voting power and shared dispositive power with respect to 6,825,000 Ordinary Shares and has sole voting power and sole dispositive power with respect to zero Ordinary Shares.

SCF-VIII AIV, L.P. has shared voting power and shared dispositive power with respect to 4,550,000 Ordinary Shares and has sole voting power and sole dispositive power with respect to zero Ordinary Shares.

SCF-VIII Offshore G.P. has shared voting power and shared dispositive power with respect to 4,550,000 Ordinary Shares and has sole voting power and sole dispositive power with respect to zero Ordinary Shares.

LESA Cayman has shared voting power and shared dispositive power with respect to 4,550,000 Ordinary Shares and has sole voting power and sole dispositive power with respect to zero Ordinary Shares.

SCF Partners has shared voting power and shared dispositive power with respect to 4,550,000 Ordinary Shares and has sole voting power and sole dispositive power with respect to zero Ordinary Shares.

SCF-VIII, L.P. has shared voting power and shared dispositive power with respect to 3,060,507 Ordinary Shares and has sole voting power and sole dispositive power with respect to zero Ordinary Shares.

SCF-VIII, G.P. has shared voting power and shared dispositive power with respect to 3,060,507 Ordinary Shares and has sole voting power and sole dispositive power with respect to zero Ordinary Shares.

SCF GP has shared voting power and shared dispositive power with respect to 3,060,507 Ordinary Shares and has sole voting power and sole dispositive power with respect to zero Ordinary Shares.

On February 28, 2020, SCF-VIII, L.P. purchased 238,737 Ordinary Shares at a weighted average price of $7.93 per Ordinary Share in open market purchases. On March 2, 2020, SCF-VIII, L.P. purchased 761,263 Ordinary Shares at a weighted average price of $7.97 per Ordinary Share in open market purchases. On March 5, 2020, SCF-VIII, L.P. purchased 50,609 Ordinary Shares at a weighted average price of $7.65 per Ordinary Share in open market purchases. On March 6, 2020, SCF-VIII, L.P. purchased 3,245 Ordinary Shares at a weighted average price of $7.32 per Ordinary Share in open market purchases. On March 9, 2020, SCF-VIII, L.P. purchased 50,000 Ordinary Shares at a weighted average price of $6.71 per Ordinary Share in open market purchases.

Name

Present Principal Occupation or
Employment

Business
Address

Citizenship

Name

Present Principal Occupation or
Employment

Business
Address

Citizenship

Name

Present Principal Occupation or
Employment

Business
Address

Citizenship

Name

Present Principal Occupation or
Employment

Business
Address

Citizenship

Name

Present Principal Occupation or
Employment

Business
Address

Citizenship

Name

Present Principal Occupation or
Employment

Business
Address

Citizenship

N/A

Name

Present Principal Occupation or
Employment

Business
Address

Citizenship

N/A

Name

Present Principal Occupation or
Employment

Business
Address

Citizenship

600 Travis Street, Suite 6600, Houston, Texas 77002.

80 Robinson Road, #02-00, Singapore 068898.