Seismic Data Acquisition Positioning With Hydrodynamic Retrieval

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Solution Overview

Problem

Challenges exist in efficiently deploying seismic data acquisition units in target locations with precise orientation and retrieval mechanisms, leading to increased complexity and survey time, which elevates operating costs.

Innovation Solution

A seismic data acquisition positioning apparatus featuring a non-buoyant seismic data acquisition unit with a hanging unit, beacon, and retrieval system, including a connector and buoyant elements, ensures accurate placement and retrieval by controlling descent and providing hydrodynamic stability and ease of retrieval.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If traditional seismic data acquisition units are deployed without specialized positioning apparatus, then deployment simplicity is maintained, but positioning precision and orientation accuracy deteriorate

Engineering Contradiction:
Improvepositioning precisionVSAvoiddeployment complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The positioning apparatus is divided into distinct functional modules: a non-buoyant seismic data acquisition unit for precise positioning, a hanging unit with buoyant elements for stability, and a retrieval system for easy recovery. This segmentation allows each component to perform its specific function optimally while maintaining overall system manageability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The apparatus is pre-configured with buoyant elements and connectors before deployment. The hanging unit is attached to the seismic data acquisition unit, and the retrieval system is prepared in advance, eliminating the need for complex on-site assembly and ensuring precise positioning from the moment of deployment.

Inventive Principle:
Principle #10Preliminary action

2Productivity

If conventional deployment methods are used, then operational simplicity is maintained, but survey time increases

Engineering Contradiction:
Improvesurvey efficiencyVSAvoidsurvey time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The seismic data acquisition unit with non-buoyant characteristics automatically sinks to the target depth, while the hanging unit with buoyant elements automatically orients itself using hydrodynamic forces. This self-positioning and self-orientation capability eliminates the need for time-consuming manual positioning operations.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The apparatus replaces complex mechanical positioning systems with hydrodynamic stabilization. The buoyant elements create natural orientation forces in water flow, substituting for mechanical orientation mechanisms and reducing both complexity and deployment time.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Ease of operation

If retrieval mechanisms are added to seismic data acquisition units, then ease of retrieval is improved, but device complexity increases

Engineering Contradiction:
Improveretrieval easeVSAvoidsystem complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The hanging unit serves as an intermediary between the non-buoyant seismic data acquisition unit and the retrieval system. It provides a convenient attachment point for retrieval operations and uses its buoyant elements to assist in bringing the unit to the surface, simplifying the retrieval process without requiring complex mechanical retrieval mechanisms on the unit itself.

Inventive Principle:
Principle #24Intermediary (Mediator)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The apparatus enhances the efficiency of seismic data acquisition by ensuring precise positioning and retrieval, reducing complexity and survey time, thereby lowering operational costs.

Implementation Method 1

A seismic data acquisition positioning apparatus features a non-buoyant seismic data acquisition unit with a hanging unit, beacon, and retrieval system, including a connector and buoyant elements, ensures accurate placement and retrieval by controlling descent

Methodology Applied
Scientific EffectBuoyancy: Archimedes' Principle (Buoyancy)

Data Source

PatentEP4172660B1Seismic data acquisition unit apparatus and positioning systems and methods
Publication Date: 2025.09.03 MAGSEIS FF LLC
  • EP4172660B1 patent drawingFigure 1A
  • EP4172660B1 patent drawingFigure 1B
  • EP4172660B1 patent drawingFigure 1C

AI summary

A seismic data acquisition positioning apparatus (100) is provided. The apparatus can include a seismic data acquisition unit (105). The unit can include a case having an internal compartment. The unit can include a power source, a clock, a seismic data recorder, a control unit, and at least one sensor disposed within the case. The apparatus can include a hanging unit (110) including a beacon unit (115). The apparatus can include a connector (120) having a first end coupled with the seismic data acquisition unit and having a second end coupled with the hanging unit. The connector can pivot about the first end of the connector.