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17.11.2015

The RESULT, BEST In the Russian Federation, ON PENETRATION and the FIRST EXPERIENCE of CERTIFICATION of the COMBINED PERFORATOR

The RESULT, BEST In the Russian Federation, ON PENETRATION and the FIRST EXPERIENCE of CERTIFICATION of the COMBINED PERFORATOR among the Russian PERFORATING SYSTEMS the perforating-explosive equipment (PEE) of CJSC BVT showed during a new series of tests of the BVT PEE by specifications API RP 19B.

On October 12-16, 2015 the BVT company carried out the next tests of the perforating systems and the shaped charges produced by CJSC «BVT» according to the international specifications of American Petroleum Institute.

The API 19B standard recognized around the world allows to define and confirm operational characteristics of perforating systems in receiving objective and most exact results.

By rules of the international standard:

  • Cumulative charges were stored in a warehouse more than four weeks, having passed the demanded aging period. The auditor of American Petroleum Institute in any order selected charges, having written down numbers of boxes and charges.
  • Concrete for targets was made of the ingredients which passed tests in the certified laboratory. On it the decision about compliance to requirements of API was received.
  • Representatives of API carried out preliminary measurement of all of the perforating systems participating in tests for compliance to the drawing and admissions in such parameters as diameters of the perforator, length, the sizes of scallops, casing diameter, thickness of a casing wall, etc. 
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During tests results which are reflected in the table are received:

Name of the perforating system with the shaped charges

Casing  Ø,
mm

Average Penetration,
mm

Average Casing Hole
Diameter, mm

PKO 63-АТ/  ZPK 63-АТ-М-03

102

636

7,97

PКО 63-АТ/  ZPK 63-АТ-М-10

102

249

19,93

PКО 89-АТ / ZPK 89-АТ-М-04

146

1284

9,79

PКО 89-АТ / ZPK 89-АТ-М-03

146

1025

11,07

PКО 102-АТ/  ZPK 102-АТ-М-04

146

1400

9,70

PКО 114-АТ/  ZPK 114-АТ-М-04

168

1620

10,78

(Download tests results from the site API)

The best result for the Russian producers of PEE, at the level of world analogs, was shown by PKO 89-AT with shaped charges ZPK89-AT-M-04, - type of the shaped charges which is most demanded by the Russian geophysical companies – about 50% of all market:

Date

Producer

Perforating System

Perforating  Ø, mm

Shaped Charge

Penetration, mm

16.10.2015

BashVzryvTechnologii, CJSC

3,5ʺ(89 mm) PKO89-AT

89

ZPK89-AT-M-04

1 284,00

11.06.2014

Promperforator, Ltd.

3,5ʺ Scorpion 89, SDP

89

Scorpion PP-25SGP

1 220,00

04.10.2013

Promperforator, Ltd.

3,5ʺ Scorpion 89, SP

89

Scorpion PP-25GP

1 073,00

16.10.2015

BashVzryvTechnologii, CJSC

3,5ʺ(89 mm) PKO89-AT

89

ZPK89-AT-M-03

1 025,00

31.07.2015

Chapayevsk Mechanical Plant, FKP

3,5ʺ PKO 89D

89

ZPKO 89DN-01

988,00

Besides, for the first time in the Russian market the tests of perforating systems PKO114-AT-M with a combination of shaped charges ZPK-114-AT-M-04 ("Deep penetration") and ZPK114-AT-M-10 ("Big Hole") in one case were carried out by international specifications API RP 19B.

The completion of productive layers by the combined perforation was widely adopted in recent years by preparation of wells for hydraulic fracturing.
Tests of PKO114-AT-M equipped with charges of "DP" and "BH" in one case showed that interference of charges of different type in this configuration is minimum: on charges of the series "DP" no more than 2,4%, on charges "BH" - 0,6%.

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